它还包括霍尔元件输入、整流控制定序器、固定停机时间脉冲宽度调制(PWM)电流控制以及锁定转子保护。
It also includes, Hall element inputs, a sequencer for commutation control, fixed off time pulse width modulation (PWM) current control and locked rotor protection.
在光通信和光集成电路方面，越来越迫切需要能调制、存贮和显示光信息的电控元件。
In optical communications and optical integrated circuits, electrically controlled components are needed increasingly to modulate, storage and display optical information.
羧酸酯化合物，液晶化合物，液晶组合物液晶元件和光调制方法。
Carboxylic acid ester compound, liquid crystal compound, liquid crystal composition, liquid crystal element and light modulation method.
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