principal points的意思|示意
[光] 主点
principal points相关短语
1、 posterior principal points 后焦点
2、 designschwerpunkte principal points of design 设计难点
principal points相关例句
The principal points of a thin lens coincide at the center of the lens.
薄透镜的两个主点与透镜中心相重合.
辞典例句
Those are the principal points I want to explain to everybody.
这些便是我要向大家解释的要点.
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