单词lenz-s-law
网络: 楞次定律
How many of you know Lenz"s law?
你们又多少人知道楞次定律？
So Lenz"s law says it"s going to do whatever it can so that it retains no field inside.
所以楞次定律说它会尽可能地，保持内部没有磁场。
Facture and Application about Projection Demonstrator of Lenz"s Law
楞次定律投影演示器的制作和使用
Some Problems about Lenz"s Law
关于楞次定律的几个问题