单词：revoluting field induction motor
单词：revoluting field induction motor 相关文章
Hoverboards Ignore Gravity Can you imagine riding around the streets of your hometown on a skateboard without wheels? In the late 1980s, film director Robert Zemeckis showed a skateboard floating above the ground in his movie Back To The Future Part
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Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve
英语听力文摘 English Digest
Science and technology 科学技术 Launching aircraft 发射飞机 Proof by induction 让电磁感应来验证 In the future, airliners could be catapulted into the sky by electric motors 将来，会用电动机将客机弹射到天空中 READERS o
经济学人科技系列
What Makes Hybrid Cars So Efficient ? 最快的车是什么？ Don : Hybrid cars are known as hybrid s because they use an electric motor to augment the performance of a small, efficient gasoline engine. But this isnt the only reason hybrid s are mor
英语听力文摘 English Digest
Word Up, Brain 新发展起来的大脑皮层在调节机能上起着主要作用；而皮层下各级脑部及脊髓虽也有发展，但在机能上已从属于大脑皮层。高等动物一旦失去大脑皮层，就不能维持其正常的生命活
英语听力文摘 English Digest