The use of DC electricity is another source of static electric fields, e.g. rail systems using DC, and televisions and computer screens with cathode ray tubes.

使用直流电是产生静电磁场的另一个原因，例如铁路系统使用直流电，电视和计算机屏幕带有阴极放射管。

youdao

A little more than 1.5 percent of each gold medal was made with metals harvested from cathode ray tube glass, computer parts, circuit boards and other trashed tech.

每块金牌都有1.5%多来自于从阴极射线管，电脑零件，电路板和其他电子垃圾中提取的金属。

youdao

And if I evacuate it, I have a cathode ray tube.

如果我对其抽真空，我会得到一根阴极射线管。

youdao

So rather than calling this an electron beam, this was called a cathode ray.

因此我们最好别叫它电子束，而是阴极射线。

麻省理工公开课 - 固态化学导论课程节选

And if I evacuate it, I have a cathode ray tube.

如果我对其抽真空，我会得到一根阴极射线管。

麻省理工公开课 - 固态化学导论课程节选

Cathode ray tubes (CRTs) were an important component of TV and computer screens, accounting for 50% to 70% of their price.

BBC: Cathode ray tube in old TV

Under Chief Executive Steve Jobs, Apple has mastered the art of turning microprocessors and cathode ray tubes into objects of mass desire.

FORBES: Is Apple's North Carolina Battle Station Fully Operational?

But now the simple invention of a cathode ray tube, transforming light into electrons, registering their impact on the magnetic tape, had torn the curtain away.

CNN: Seize the immigration deal