normal field的用法和樣例：
例句
- In simplified terms, an inductor dynamometer consists essentially of a rotor, stator and toroidal field coil.
簡單的說，感應式測功機主要由轉子，定子環向場線圈組成。 - The time domain field distribution on the surface of Huygens' box was decomposed using wavelet, and the quantified coefficient of the wavelet decomposition was saved.
利用小波分解對惠更斯表面的時域切向場分佈進行分解，存儲經過閾值量化后的小波係數達到壓縮編碼的目的。
