Yuan ching hsu (30 risultati)

Autore: 
Perfeziona con la Ricerca avanzata

Perfeziona la tua ricerca

a

Fascia di prezzo personalizzata (EUR)

a

  • Lingua: Cinese

    Editore: Ehgbooks, 2017

    1647847923 / 9781647847920

    • Brossura

    Da: GreatBookPrices, Columbia, MD, U.S.A.GreatBookPrices

    Venditore con 5 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 22,31

    EUR 2,33 spedizione 
    Spedito in U.S.A.

    Quantità: Più di 20 disponibili

    Condizione: New.

  • Lingua: Cinese

    Editore: Ehgbooks 6/1/2017, 2017

    1647847923 / 9781647847920

    • Brossura

    Da: BargainBookStores, Grand Rapids, MI, U.S.A.BargainBookStores

    Venditore con 5 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 24,72

     Spedizione gratuita 
    Spedito in U.S.A.

    Quantità: 5 disponibili

    Paperback or Softback. Condizione: New. ?????????: Lacquer Fairy Tale: The Angel's Tears. Book.

  • Lingua: Cinese

    Editore: Ehgbooks, 2017

    1647847923 / 9781647847920

    • Brossura

    Da: GreatBookPrices, Columbia, MD, U.S.A.GreatBookPrices

    Venditore con 5 stelle
    Contatta il venditore

    Condizione: Usato - Come nuovo

    EUR 24,50

    EUR 2,33 spedizione 
    Spedito in U.S.A.

    Quantità: Più di 20 disponibili

    Condizione: As New. Unread book in perfect condition.

  • Lingua: Cinese

    Editore: Ehgbooks, 2017

    1647847923 / 9781647847920

    • Brossura

    Da: California Books, Miami, FL, U.S.A.California Books

    Venditore con 5 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 27,28

     Spedizione gratuita 
    Spedito in U.S.A.

    Quantità: Più di 20 disponibili

    Condizione: New.

  • Lingua: Cinese

    Editore: Ehgbooks, 2016

    1647849276 / 9781647849276

    • Brossura

    Da: California Books, Miami, FL, U.S.A.California Books

    Venditore con 5 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 31,83

     Spedizione gratuita 
    Spedito in U.S.A.

    Quantità: Più di 20 disponibili

    Condizione: New.

  • Lingua: Inglese

    Editore: Foreign languages press, 2020

    1548388130 / 9781548388133

    • Brossura

    Da: Le-Livre, SABLONS, FranciaLe-Livre

    Venditore con 5 stelle
    Contatta il venditore

    Membro dell’associazione: ILAB

    Condizione: Usato - Quasi ottimo

    EUR 25,80

    EUR 42,00 spedizione 
    Spedito da Francia a U.S.A.

    Quantità: 1 disponibile

    Couverture souple. Condizione: bon. RO30363898: 2020. In-12. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 119 pages. . . . Classification Dewey : 420-Langue anglaise. Anglo-saxon.

  • Lingua: Cinese

    Editore: Ehgbooks, 2017

    1647847923 / 9781647847920

    • Brossura

    Da: Ria Christie Collections, Uxbridge, Regno UnitoRia Christie Collections

    Venditore con 5 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 31,54

    EUR 10,97 spedizione 
    Spedito da Regno Unito a U.S.A.

    Quantità: Più di 20 disponibili

    Condizione: New. In English.

  • Lingua: Cinese

    Editore: EHGBooks 2017-06, 2017

    1647847923 / 9781647847920

    • Brossura

    Da: Chiron Media, Wallingford, Regno UnitoChiron Media

    Venditore con 5 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 25,65

    EUR 18,14 spedizione 
    Spedito da Regno Unito a U.S.A.

    Quantità: 10 disponibili

    PF. Condizione: New.

  • Lingua: Cinese

    Editore: Ehgbooks, 2017

    1647847923 / 9781647847920

    • Brossura

    Da: GreatBookPricesUK, Woodford Green, Regno UnitoGreatBookPricesUK

    Venditore con 5 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 28,63

    EUR 17,57 spedizione 
    Spedito da Regno Unito a U.S.A.

    Quantità: Più di 20 disponibili

    Condizione: New.

  • Lingua: Cinese

    Editore: Ehgbooks, 2017

    1647847923 / 9781647847920

    • Brossura

    Da: GreatBookPricesUK, Woodford Green, Regno UnitoGreatBookPricesUK

    Venditore con 5 stelle
    Contatta il venditore

    Condizione: Usato - Come nuovo

    EUR 30,17

    EUR 17,57 spedizione 
    Spedito da Regno Unito a U.S.A.

    Quantità: Più di 20 disponibili

    Condizione: As New. Unread book in perfect condition.

  • Lingua: Inglese

    Editore: Foreign Languages Press, 2020

    1548388130 / 9781548388133

    • Brossura

    Da: Le-Livre, SABLONS, FranciaLe-Livre

    Venditore con 5 stelle
    Contatta il venditore

    Membro dell’associazione: ILAB

    Condizione: Usato - Quasi ottimo

    EUR 55,50

    EUR 42,00 spedizione 
    Spedito da Francia a U.S.A.

    Quantità: 1 disponibile

    Couverture souple. Condizione: bon. R300292534: 2020. In-12. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 119 pages. Livre en anglais. . . . Classification Dewey : 420-Langue anglaise. Anglo-saxon.

  • Lingua: Cinese

    Editore: EHGBooks 2016-10, 2016

    1647849276 / 9781647849276

    • Brossura

    Da: Chiron Media, Wallingford, Regno UnitoChiron Media

    Venditore con 5 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 36,63

    EUR 18,14 spedizione 
    Spedito da Regno Unito a U.S.A.

    Quantità: 10 disponibili

    PF. Condizione: New.

  • Lingua: Cinese

    Editore: Ehgbooks, 2016

    1647849276 / 9781647849276

    • Brossura

    Da: Ria Christie Collections, Uxbridge, Regno UnitoRia Christie Collections

    Venditore con 5 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 45,05

    EUR 10,97 spedizione 
    Spedito da Regno Unito a U.S.A.

    Quantità: Più di 20 disponibili

    Condizione: New. In English.

  • Altre immagini

    Editore: Hong Hwa Film, Hong Kong, 1971

    • Manoscritto/carta da collezione

    Da: Royal Books, Inc., ABAA, Baltimore, MD, U.S.A.Royal Books, Inc., ABAA

    Venditore con 5 stelle
    Contatta il venditore

    Membro dell’associazione: ABAAILAB

    Condizione: Usato

    EUR 50,01

    EUR 8,83 spedizione 
    Spedito in U.S.A.

    Quantità: 1 disponibile

    Aggiungi al carrello

    Vintage double-sided flyer for the 1972 film. With an English language synopsis on one side. A young girl finds an injured warrior, who is being hunted by seven devils. He begins training her in a secret form of "evil karate," and once she grows up, they set out to defeat the seven devils and their master. 14 x 10 inches. Very Good plus, with a shallow vertical crease. Light toning to one side of the flyer.…

  • Editore: Verlag für fremdsprachige literatur, 2022

    • Brossura

    Da: Le-Livre, SABLONS, FranciaLe-Livre

    Venditore con 5 stelle
    Contatta il venditore

    Membro dell’associazione: ILAB

    Condizione: Usato - Quasi ottimo

    EUR 55,50

    EUR 42,00 spedizione 
    Spedito da Francia a U.S.A.

    Quantità: 1 disponibile

    Aggiungi al carrello

    Couverture souple. Condizione: bon. R100088531: 2022. In-12. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 155 pages - livre en allemand. . . . Classification Dewey : 430-Langues germaniques. Allemand.

  • Lingua: Cinese

    Editore: Ehgbooks Jun 2017, 2017

    1647847923 / 9781647847920

    • Brossura

    Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH

    Venditore con 5 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 45,17

    EUR 35,00 spedizione 
    Spedito da Germania a U.S.A.

    Quantità: 2 disponibili

    Taschenbuch. Condizione: Neu. Neuware.

  • Lingua: Cinese

    Editore: Ehgbooks Okt 2016, 2016

    1647849276 / 9781647849276

    • Brossura

    Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH

    Venditore con 5 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 59,43

    EUR 35,00 spedizione 
    Spedito da Germania a U.S.A.

    Quantità: 2 disponibili

    Taschenbuch. Condizione: Neu. Neuware.

  • Condizione: Nuovo

    EUR 27,27

     Spedizione gratuita 
    Spedito da India a U.S.A.

    Quantità: 18 disponibili

    Aggiungi al carrello

    LeatherBound. Condizione: New. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. LeatherBound edition. Condition: New. Reprinted from 1930 edition. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt bands. A perfect gift for your loved ones. Pages: 154 NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Pages: 154 Volume 5 (1958) Beiping Jingsheng Sheng wu diao cha suo.,Ching, Ren Chang.,Hu, Hsen Hsu,Zhongguo ke xue yuan.…

  • Lingua: Cinese

    Editore: Ehgbooks, 2017

    1647847923 / 9781647847920

    • Brossura
    • Print on Demand

    Da: Majestic Books, Hounslow, Regno UnitoMajestic Books

    Venditore con 4 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 34,40

    EUR 7,61 spedizione 
    Spedito da Regno Unito a U.S.A.

    Quantità: 4 disponibili

    Condizione: New. Print on Demand pp. 62.

  • Lingua: Cinese

    Editore: Ehgbooks, 2017

    1647847923 / 9781647847920

    • Brossura
    • Print on Demand

    Da: Books Puddle, Woodside, NY, U.S.A.Books Puddle

    Venditore con 4 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 40,33

    EUR 3,52 spedizione 
    Spedito in U.S.A.

    Quantità: 4 disponibili

    Condizione: New. Print on Demand pp. 62.

  • Lingua: Cinese

    Editore: Ehgbooks, 2017

    1647847923 / 9781647847920

    • Brossura
    • Print on Demand

    Da: Biblios, frankfurt am main, HESSE, GermaniaBiblios

    Venditore con 4 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 34,75

    EUR 9,95 spedizione 
    Spedito da Germania a U.S.A.

    Quantità: 4 disponibili

    Condizione: New. PRINT ON DEMAND pp. 62.

  • Lingua: Cinese

    Editore: Ehgbooks, 2016

    1647849276 / 9781647849276

    • Brossura
    • Print on Demand

    Da: Majestic Books, Hounslow, Regno UnitoMajestic Books

    Venditore con 4 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 41,67

    EUR 7,61 spedizione 
    Spedito da Regno Unito a U.S.A.

    Quantità: 4 disponibili

    Condizione: New. Print on Demand pp. 74.

  • Lingua: Cinese

    Editore: Ehgbooks, 2016

    1647849276 / 9781647849276

    • Brossura
    • Print on Demand

    Da: Books Puddle, Woodside, NY, U.S.A.Books Puddle

    Venditore con 4 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 47,68

    EUR 3,52 spedizione 
    Spedito in U.S.A.

    Quantità: 4 disponibili

    Condizione: New. Print on Demand pp. 74.

  • Lingua: Cinese

    Editore: Ehgbooks, 2016

    1647849276 / 9781647849276

    • Brossura
    • Print on Demand

    Da: Biblios, frankfurt am main, HESSE, GermaniaBiblios

    Venditore con 4 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 41,99

    EUR 9,95 spedizione 
    Spedito da Germania a U.S.A.

    Quantità: 4 disponibili

    Condizione: New. PRINT ON DEMAND pp. 74.

  • Editore: Ehgbooks, 2016

    1647849276 / 9781647849276

    • Brossura
    • Print on Demand

    Da: CitiRetail, Stevenage, Regno UnitoCitiRetail

    Venditore con 5 stelle
    Contatta il venditore

    Condizione: Nuovo

    EUR 39,79

    EUR 43,33 spedizione 
    Spedito da Regno Unito a U.S.A.

    Quantità: 1 disponibile

    Paperback. Condizione: new. Paperback. Long Nan Museum of Natural Lacquer Wares1918403022,50063293Hundreds history of Taiwan Natural Lacquer is important cultural property for Taiwan, lacquer well produced predominantly based in Nantou Puli. Since 1918, Rhus succedanea L. var. dumoutieri kudo had been brought into Taiwan because of good quantities and quality. In the beginning, lacquer trees was planted and researched by Taiwan Governer-General's Office in Lien Hua Chih Research Center, earlier periods lacquer trees widely planted in Miaoli Tongluo. Due to Puli basins is suitable for lacquer trees grow up, in 1950s agricultural lacquer production started in Puli area. At that time, it opened the Taiwan Natural Lacquer Industry for over 30 years prime time, there were nearly twenty thousands of people lived on lacquer, lacquer farmers about ten thousands of people, lacquer trees highest planted area up to 2,500 hectares. In 1974, the annual production of raw lacquer reached 293 tons, half of raw lacquer exported to Japan, have benefited over 100,000 people who worked for advanced lacquer furniture industry in Taipei, Hsinchu, Lugang, Daxi and other regions in Taiwan that consumers preferred and earned large amounts of foreign exchange. Therefore, Puli is the home of Taiwan's lacquer. However, times changed, social and economics structural transformation led to Taiwan lacquer industry declined. Long Nan Museum of Natural Lacquer Wares, the only remaining Taiwan's lacquer industry has been manufacturing and exporting natural lacquer and excellent blend of beauty, elegance, great design, and extraordinary lacquer wares under strict inspection and quality control for more than 6 generations, trying best continuing Taiwan specific Hakka lacquer cultures and reappearing its glory.In 1956, Hsu A Long, the originator of Long-Nan CO., LTD, continued natural lacquer business from ancestors. In 1960, he established corporation of Long Nan which is famous for excellent lacquer refining and best quality of natural lacquer. Almost 90% of natural lacquer produced in Taiwan must be inspected strictly by Hsu Yu-Fu, the CEO of Long-Nan CO., LTD, and approved under "" seal before exporting.In 1988, Hsu Yu-Fu, the CEO of Long-Nan CO., LTD, based on the missions for preserving century history of Taiwan Natural Lacquer, he decided to form Long-Nan Museum of Natural Lacquer Wares. There are over ten thousands of historic-cultural collections of natural lacquer wares in Long-Nan Museum. Every year, not only Taiwan people but also many tourists come from all over the world to visit our museum. This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability.…

  • Altre immagini

    Condizione: Nuovo

    EUR 65,28

     Spedizione gratuita 
    Spedito da India a U.S.A.

    Quantità: Più di 20 disponibili

    Aggiungi al carrello

    Leather Bound. Condizione: New. Language: English. Language: English. Presenting an Exquisite Leather-Bound Edition, expertly crafted with Original Natural Leather that gracefully adorns the spine and corners. The allure continues with Golden Leaf Printing that adds a touch of elegance, while Hand Embossing on the rounded spine lends an artistic flair. This masterpiece has been meticulously reprinted in 2025, utilizing the invaluable guidance of the original edition published many years ago in 1930. The contents of this book are presented in classic black and white. Its durability is ensured through a meticulous sewing binding technique, enhancing its longevity. Imprinted on top-tier quality paper. A team of professionals has expertly processed each page, delicately preserving its content without alteration. Due to the vintage nature of these books, every page has been manually restored for legibility. However, in certain instances, occasional blurriness, missing segments, or faint black spots might persist. We sincerely hope for your understanding of the challenges we faced with these books. Recognizing their significance for readers seeking insight into our historical treasure, we've diligently restored and reissued them. Our intention is to offer this valuable resource once again. We eagerly await your feedback, hoping that you'll find it appealing and will generously share your thoughts and recommendations. Lang: - English, Vol:- Volume v.5 (1958), Pages:- 154, Print on Demand. If it is a multi-volume set, then it is only a single volume. We are specialised in Customisation of books, if you wish to opt different color leather binding, you may contact us. This service is chargeable. Product Disclaimer: Kindly be informed that, owing to the inherent nature of leather as a natural material, minor discolorations or textural variations may be perceptible. Explore the FOLIO EDITION (12x19 Inches): Available Upon Request. Volume v.5 (1958) 154 154.…

  • Altre immagini

    Condizione: Nuovo

    EUR 65,29

     Spedizione gratuita 
    Spedito da India a U.S.A.

    Quantità: Più di 20 disponibili

    Aggiungi al carrello

    Leather Bound. Condizione: New. Language: English. Language: English. Presenting an Exquisite Leather-Bound Edition, expertly crafted with Original Natural Leather that gracefully adorns the spine and corners. The allure continues with Golden Leaf Printing that adds a touch of elegance, while Hand Embossing on the rounded spine lends an artistic flair. This masterpiece has been meticulously reprinted in 2025, utilizing the invaluable guidance of the original edition published many years ago in 1930. The contents of this book are presented in classic black and white. Its durability is ensured through a meticulous sewing binding technique, enhancing its longevity. Imprinted on top-tier quality paper. A team of professionals has expertly processed each page, delicately preserving its content without alteration. Due to the vintage nature of these books, every page has been manually restored for legibility. However, in certain instances, occasional blurriness, missing segments, or faint black spots might persist. We sincerely hope for your understanding of the challenges we faced with these books. Recognizing their significance for readers seeking insight into our historical treasure, we've diligently restored and reissued them. Our intention is to offer this valuable resource once again. We eagerly await your feedback, hoping that you'll find it appealing and will generously share your thoughts and recommendations. Lang: - English, Vol:- Volume v.4 (1937), Pages:- 155, Print on Demand. If it is a multi-volume set, then it is only a single volume. We are specialised in Customisation of books, if you wish to opt different color leather binding, you may contact us. This service is chargeable. Product Disclaimer: Kindly be informed that, owing to the inherent nature of leather as a natural material, minor discolorations or textural variations may be perceptible. Explore the FOLIO EDITION (12x19 Inches): Available Upon Request. Volume v.4 (1937) 155 155.…

  • Altre immagini

    Condizione: Nuovo

    EUR 65,30

     Spedizione gratuita 
    Spedito da India a U.S.A.

    Quantità: Più di 20 disponibili

    Aggiungi al carrello

    Leather Bound. Condizione: New. Language: English. Language: English. Presenting an Exquisite Leather-Bound Edition, expertly crafted with Original Natural Leather that gracefully adorns the spine and corners. The allure continues with Golden Leaf Printing that adds a touch of elegance, while Hand Embossing on the rounded spine lends an artistic flair. This masterpiece has been meticulously reprinted in 2025, utilizing the invaluable guidance of the original edition published many years ago in 1930. The contents of this book are presented in classic black and white. Its durability is ensured through a meticulous sewing binding technique, enhancing its longevity. Imprinted on top-tier quality paper. A team of professionals has expertly processed each page, delicately preserving its content without alteration. Due to the vintage nature of these books, every page has been manually restored for legibility. However, in certain instances, occasional blurriness, missing segments, or faint black spots might persist. We sincerely hope for your understanding of the challenges we faced with these books. Recognizing their significance for readers seeking insight into our historical treasure, we've diligently restored and reissued them. Our intention is to offer this valuable resource once again. We eagerly await your feedback, hoping that you'll find it appealing and will generously share your thoughts and recommendations. Lang: - English, Vol:- Volume v.1 (1930), Pages:- 158, Print on Demand. If it is a multi-volume set, then it is only a single volume. We are specialised in Customisation of books, if you wish to opt different color leather binding, you may contact us. This service is chargeable. Product Disclaimer: Kindly be informed that, owing to the inherent nature of leather as a natural material, minor discolorations or textural variations may be perceptible. Explore the FOLIO EDITION (12x19 Inches): Available Upon Request. Volume v.1 (1930) 158 158.…

  • Altre immagini

    Condizione: Nuovo

    EUR 66,21

     Spedizione gratuita 
    Spedito da India a U.S.A.

    Quantità: Più di 20 disponibili

    Aggiungi al carrello

    Leather Bound. Condizione: New. Language: English. Language: English. Presenting an Exquisite Leather-Bound Edition, expertly crafted with Original Natural Leather that gracefully adorns the spine and corners. The allure continues with Golden Leaf Printing that adds a touch of elegance, while Hand Embossing on the rounded spine lends an artistic flair. This masterpiece has been meticulously reprinted in 2025, utilizing the invaluable guidance of the original edition published many years ago in 1930. The contents of this book are presented in classic black and white. Its durability is ensured through a meticulous sewing binding technique, enhancing its longevity. Imprinted on top-tier quality paper. A team of professionals has expertly processed each page, delicately preserving its content without alteration. Due to the vintage nature of these books, every page has been manually restored for legibility. However, in certain instances, occasional blurriness, missing segments, or faint black spots might persist. We sincerely hope for your understanding of the challenges we faced with these books. Recognizing their significance for readers seeking insight into our historical treasure, we've diligently restored and reissued them. Our intention is to offer this valuable resource once again. We eagerly await your feedback, hoping that you'll find it appealing and will generously share your thoughts and recommendations. Lang: - English, Vol:- Volume v.2-3 (1934-35), Pages:- 316, Print on Demand. If it is a multi-volume set, then it is only a single volume. We are specialised in Customisation of books, if you wish to opt different color leather binding, you may contact us. This service is chargeable. Product Disclaimer: Kindly be informed that, owing to the inherent nature of leather as a natural material, minor discolorations or textural variations may be perceptible. Explore the FOLIO EDITION (12x19 Inches): Available Upon Request. Volume v.2-3 (1934-35) 316 316.…

  • Condizione: Nuovo

    EUR 71,83

     Spedizione gratuita 
    Spedito da India a U.S.A.

    Quantità: 18 disponibili

    Aggiungi al carrello

    LeatherBound. Condizione: New. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. LeatherBound edition. Condition: New. Reprinted from 1959 edition. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt bands. A perfect gift for your loved ones. Pages: 2168 NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Pages: 2168 Keng, I-li,Nan-ching ta hsu?eh.,Zhongguo ke xue yuan.…