| 单词 | virtual focus |
| 释义 | virtual focus virtual focus n.（名词）The point from which divergent rays of reflected or refracted light seem to have emanated, as from the image of a point in a plane mirror.虚焦点：似乎发出分散的反射光线或折射光线的点，如同从平面镜的一像点发出一般 |
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