频率仪的英文：
frequency recorder

W is the radian frequency deviation from the center frequency
△W是角频率与中心频率的偏离值。

The frequency inverters has a function of variable voltage and variable frequency.
频率逆变器具有变压、变频功能。

Accidents are happening with increasing frequency.
事故发生得越来越频繁。

He varied the transmission frequency.
他变换了无线电传送的频率。

There will be no amplification of radiation at the frequency ??
在频率?舜Φ姆?射将不会有任何增强。

A stereo recording,record,cassette,system
立体声的录音、唱片、盒式磁带、音响设备.

The tape-recorder has recorded his voice and the camera has recorded his features.
录音机录下了他的声音，摄影机留下了他的形象。

A word in a record header that contains a count of the words in the record
记录首部中的一个字，它包含该记录的字计数。

Record down the cancelled flight details into the record book.
将记录下来的取消航班的详细资料记录在航班记录本上。

This battle was vividly recorded in the article.
本文生动地记载了这次战役。