意思是：cathode-ray tube 阴极射线管；correct 改正；convertible 可转换的；controlled variable time (fuze) 受控可变（保险丝）
句子实例：
After the text material has been created on the personal computer CRT screen, it can be printed or stored in the auxiliary storage for the future reference.
当文本内容显示在计算机屏幕上以后，文本内容可被打印出来，或者可以存在外存上以供将来使用。
As the word and letters are entered, they are displayed in the CRT screen and stored in main memory of the personal computer.
当字母和单词被输入以后，它们显示在阴极射线管屏幕上，并且存储在计算机在主存中。
