English translation for "frequency primary standard"

频率基准

Similar Words：

"frequency prediction" English translation, "frequency prediction chart" English translation, "frequency preemphasis device" English translation, "frequency presetting device" English translation, "frequency presetting mechanism" English translation, "frequency principle" English translation, "frequency programming" English translation, "frequency propagation map" English translation, "frequency protection" English translation, "frequency pull-in" English translation