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单词 focal length of lens
释义
focal length of lens
  • 简明释义
  • 透镜焦距:指透镜的焦点到透镜的光学中心的距离。焦距越长,透镜的放大倍数越小。
  • 网络释义
  • 1

    [光]?透镜焦距

    ... focal involution 焦点对合 focal length of lens 透镜焦距 focal plane 焦面 ...

短语
  • 双语例句
  • 1
    At present, some difficulties are encountered in measurement of long focal length of lens.
    目前,透镜长焦距的有效测量还存在一些难题。
  • 2
    A new method of measuring the monochrome focal length of lens is given from the single slit diffraction principle.
    根据单狭缝衍射原理,提出了一种测量透镜单色焦距的新方法。
  • 3
    Linear CCD is used as receiver on behalf of eyes on the basis of originally experimental equipment measuring the focal length of lens.
    在原来光具座测量透镜焦距的装置基础上,用CCD代替人眼作接收器时,正确判定焦面是实验的关键。
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更新时间:2025/3/2 2:45:38