Isbn: 9787530166321 - () (1 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2024-01 Pages: 38 Publisher: Beijing Juvenile and Children's Publishing House Speaking of magnetism. we may think of magnets and magnetic fields. But scientists think of more. After their research. magnetism has been fully utilized. and many inventions have been made. which have played a huge role in our lives. such as the compass. generator. motor and other inventions. Perhaps these inventions are not attractive enough for you. then what about computers. …