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不同的透镜有哪些特点和作用
更新时间: 2020-10-02 00:00:00  

1、凸透镜中间厚边缘薄,对光有汇聚作用;

2、凹透镜中间薄边缘厚,对光有扩散作用;

3、反射镜为平面,对光有反射作用。

关键词: 不同 透镜 哪些 特点 作用

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