It assumes a linear relation between the corner of sweeping facilities and that of the object;
It requires a lesser effection for the systemic image difference when sweeping
It requires a higher sweeping efficiency and a lesser component size for sweeping to make a configuration of severeness
----觉得OK就行,求赏,哈哈----
==问题补充:高手们,是翻译成英语,光学方面的=====
一看就知道了