optical lens是什么意思 optical lens怎么读
optical lens的英文翻译是什么意思，词典释义与在线翻译
Noun:- a lens that focuses the image in a camera
optical lens的用法和样例
- He focuses the lens of a microscope.
他调整显微镜的透镜以定焦点。 - A lens is an optical system including two refracting surfaces.
一个透镜是包含两个折射面的光学系统。
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