英语词汇“virtual focus”是什么意思，“virtual focus”的读音、用法及例句翻译-烛光网

词汇	virtual focus
释义	virtual focusn.（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
随便看	feverish fever pitch fevers fever sore fever tree feverweed feverwort few few fewer fewest fey feyer feyest Feynman fez Fez fezes Fezzan fezzes ff ff. FFA FFA. f factor

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