可变频率 meaning in English
v.f
variable-frequency
vf variable frequency
Examples
- Variable frequency vibration test method
可变频率的振动试验方法 - Semiconductor devices - mechanical and climatic test methods - part 12 : vibration , variable frequency
半导体装置.机械和气候试验方法.第12部分:可变频率振动 - Semiconductor devices - mechanical and climatic test methods - part 12 : vibration , variable frequency
半导体器件.机械和气候试验方法.第12部分:振动,可变频率 - Vfo step indicator . displays the currently selected vfo setp . ( the fig . shows 100hz step selected )
可变频率震荡器（拨号频率）步长指示，显示当前选择的vfo步长。 - Specification for a . c . motors for aircraft - three - phase variable frequency squirrel - cage induction motors
飞机交流电动机规范.第2部分:三相可变频率鼠笼式感应电动机