flat-faced cathode ray tube

例句：

1. 1.The flat-faced cathode ray tube is used to display images on a screen.
   平脸阴极射线管用于在屏幕上显示图像。
2. 2.The flat-faced cathode ray tube was invented by Thomas Edison in the early 20th century.
   平脸阴极射线管是由托马斯·爱迪生在20世纪初发明的。
3. 3. The flat-faced cathode ray tube is widely used in scientific research and education.
   平脸阴极射线管在科学研究和教育中被广泛使用。