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单词
virtual focus
释义
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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更新时间:2026/2/4 12:56:58