光点偏转超过荧光屏边缘的总数叫做荧光屏过扫描。
The amount by which the dot deflects past the end of the screen is called the screen-overscan.
为什么屏边的农民还要继续种这种控制严格、劳动密集的作物呢？
Why do farmers in Ping Bian continue to plant such a tightly controlled, labor intensive crop?
志愿者也可以代表屏边教师在领航计划网站上发布教学物资需求。
The volunteers can also upload proposals on Pilot Project on behalf of local teachers.
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