在每块磁铁的周围都有一个磁力作用的区域。
Surrounding every magnet there is a region where magnetic forces act.
振动台体的基本工作原理是基于载流导体在磁场中受到电磁力作用的安培定律。
The principle of the shaker is Ampere law that the conductor gets the magnetic force in magnetic field.
电磁力作用在后部对升力的提升比作用在前部好，而覆盖在前部的减阻效果比作用在后部的好。
The effect of lift enhancement with the Lorentz force acted on the tail is better than the front, and the drag reduction is better with the Lorentz force applied to the front.
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