频率控制 meaning in Chinese

alter cycle control
frequency control

It may limit the amount of sparkover to an acceptable rate .
它可把火花放电频率控制在允许范围内。
As rs ' s monitoring and control system based on ifix
基于高性能锁相环的频率控制系统
First natural frequency control and shape design of mast
桅杆首阶固有频率控制与构形设计
External voltage controlled frequency function
外部电压频率控制功能vcf
Automatic frequency control characteristic
自动频率控制特性

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