vertical blanking

• 垂直消隐,帧消隐,场消隐

vertical blanking的用法和样例：

例句

1. Vertical Blanking is the interval in which the electron gun retraces from the bottom right corner of the screen image back up to the top left corner.
   垂直消隐为电子枪从屏幕图像的右下角返回左上角所需的时间间隔。