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单词 object focal length
释义
object focal length
  • 简明释义
  • 物方焦距
  • 网络释义
  • 1

    ?焦距

    ... (b) 若位于A点的物体成像在无限远处(),则此时之物距可定义为第一焦距 (First Focal Length) 或是物焦距 (Object Focal Length) 。请证明物焦距为 。

  • 2

    ?物方焦距

    ... 2.84焦距focal length 2.85物方焦距object focal length 又称前焦距(front focal length) ...

  • 3

    ?物焦距

    ... 物距 object distance 物焦距 object focal length 物焦 object focus ...

短语
  • 双语例句
  • 1
    If the objective lens is closer to the compact disk than the focal length of the object lens then the cylindrical lens creates an elliptical image on the photodetector array.
    如果物镜与光盘之间的距离短于物镜的焦距,柱面透镜就会使在光电探测器阵列上的成像变成椭圆影像。
  • 2
    If the objective lens is closer to the compact disk than the focal length of the object lens, then the cylindrical lens creates an elliptical image on the photodetector array.
    如果物镜与光盘之间的距离短于物镜的焦距,柱面透镜就会使在光电探测器阵列上的成像变成椭圆影像。
  • 3
    If the objective lens is further away from the compact disk than the focal length of the object lens then the cylindrical lens again creates an elliptical image on the photodetector array.
    如果物镜与光盘之间的距离长于物镜的焦距,柱面透镜也会使在光电探测器阵列上的成像变成椭圆影像。
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更新时间:2025/3/1 17:20:08