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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。
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。
CRT: Acronym for Cathode Ray Tube, the oldest commercial model of televisions and computer monitors.
阴极射线管的缩写,电视和电脑显示器所使用的最古老商业技术。
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。
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。
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