cathode ray tube(CRT)

In display technique, a device that converts electrical signals to a visual display. It comprises an evacuated glass envelope shaped as a television tube, an electron gun, focusingdeflection systems, and a screen coated with phosphors.; 在顯示技術中,一種把電信號轉換成可見圖象的器件。它包括一個形狀象電視顯象管的真空玻璃殼、一個電子槍、聚焦偏轉系統和一個涂有熒光粉的顯示 屏。