| 释义 |
显像管xiǎnxiàngguǎn电视接收机、示波器等设备中的一种器件,是一个高度真空的玻璃泡,一端膨大,略平,呈屏状,上面涂有荧光粉;另一端的装置能产生电子束,并使电子束在荧光屏上扫描,形成图像。{picture tube; kinescope; cathode-ray tube in a TV receiver, monitor, etc. that produces visual images on its screen; high-vacuum glass tube with a large and flat fluorescent screen at one end and a device at another which is capable of producing an electron beam to form images by scanning} |