频 的英文翻译

frequency

frequently

频 的中文句子和英文句子

一个频带的上下界频率之差，单位用赫兹表示。

The difference, expressed in Hertz, between the two limiting frequencies of a band.


没有视频信号。

There is no video signal.


这个频道每天早晨7点钟开始播放.

This channel comes on the air every morning at 7 am.


啸声干扰一种由于诸如闪电等大气干扰而产生的音频电磁波，具有典型的逐渐减弱频率的特征，该频减引起了检波设备中调逐渐下降的啸声

An electromagnetic wave of audio frequency produced by atmospheric disturbances such as lightning, having a characteristically decreasing frequency responsible for a whistling sound of descending pitch in detection equipment.


显示器类似于电视屏幕，也被称为视频显示终端（VDTs），有单色显示器和彩色显示器。

Monitors, also known as video display terminals(VDTs), resemble television screens, and may be either monochrome or color.


那条高速公路上车祸发生得越来越频繁。

Accidents on that highway are happening with increasing frequency.


低频扬声器设计用来再现低音频率的扬声器

A loudspeaker designed to reproduce bass frequencies.


近来我们一些大城市中罪案频繁。

There has recently been an epidemic of crime in our major cities.


混频器用来混合和调整不同来源的声音以创造出最终被录的音频产品的装置，如一部电影的音道

A device used to combine and adjust sounds from a variety of sources in order to create a final recorded audio product, such as the soundtrack of a movie.


视频也可以先通过VCR连接，然后输出到监视器上。

Otherwise the video can be connected through the VCR first and then out to the monitor.