Ferromagnetic amplifier
[电] 铁磁放大器
🧩 词语组成解析
ferromagnetic
[ˌferəʊmæg'netik]
adj. 铁磁的，铁磁体的;
🗣️ 情景例句
is that you have us.
就是有我们帮助。
You give me the money. I'll get you the goods.
一手交钱，一手交货。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。