overscan
美
英 [əʊvəs'kæn] 
英汉解释
例句
The results indicate that given an appropriate amount of overscan, satisfactory reconstruction can be achieved.
结果表明,给予适当数额的过扫描,令人满意的重建是可以实现的。
The amount by which the dot deflects past the end of the screen is called the screen-overscan.
光点偏转超过荧光屏边缘的总数叫做荧光屏过扫描。