zhao yan dong zhang jun (4 risultati)

paperback. Condizione: Good. Peking Operas Single: ----- [the large myth opera The Magic Lotus Lantern] 5th China Peking Opera Art Festival competition repertoire -.

paperback. Condizione: New. Language:Chinese.Pages Number: 203 Publisher: Electronic Industry Press. Pub. Date :2010-01. This book details the soil moisture and moisture content of plant stems body measurements. and soil moisture sensors and plant stems body moisture sensor works and development process. after a large number of experiments to verify the sensor with high reliability. consistency and stability. On this basis. developed a water-saving irrigation according to plant demand precise automatic control system. a.

paperback. Condizione: New. Paperback.Pub Date:2021-06-01 Pages:232 Language:Chinese Publisher:China Water Resources and Hydropower Publishing House The connectivity of rivers and lakes is one of the five ecological elements of water ecological integrity. The ecological mechanism of the connectivity of river and lake systems has become a research focus in the field of international river ecology in the past ten years. Restoring the connectivity of rivers and lakes is an important part of the construction of ecological w.

paperback. Condizione: New. Paperback.Pub Date:2021-06-01 Pages:232 Language:Chinese Publisher:China Water Resources and Hydropower Publishing House The connectivity of rivers and lakes is one of the five ecological elements of water ecological integrity. The ecological mechanism of the connectivity of river and lake systems has become a research focus in the field of international river ecology in the past ten years. Restoring the connectivity of rivers and lakes is an important part of the construction of ecological w.