因此我们最好别叫它电子束，而是阴极射线。

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

youdao

阴极射线管(crt)或电视(tv)屏幕上的点阵列，当电子束击中时会发光。

The matrix of dots on a CRT screen (or TV set) that emit light when bombarded by an electron beam.

youdao

阴极射线管(crt)或电视(tv)屏幕上的点阵列，当电子束击中时会发光。

The matrix of dots on a CRT screen (or TV set) that emit light when bombarded by an electron beam.

youdao