electret meaning in English
永久极化电介质
柱极（电介）体（永久极化的电介质）
驻极电介体
驻极体；永电体
Examples
- Treatment for tissue injury by use of micro - porous polymeric electret film
静电场处理桑蚕孵的生物效应被迫 - Ecm electret condenser microphone
驻极体话筒 - Electret condenser microphone
驻极体话筒 - Design of heart sound processing analog circuit based on the electret capacitor microphone
基于驻极体电容传声器的心音模拟处理电路的设计 - Influence of chemical surface treatment on charge storage stability for miniature si3n4 sio2 electret film
化学表面处理对微型化的氮氧化硅驻极体层电荷储存性能的影响