exit pupil

基本解释

• [天] 出射光瞳；后透光孔

英汉例句

双语例句

• To calculate exit pupil, divide the aperture (in mm) by the power of the eyepiece being used.
  为了计算出射光瞳，可将孔径(单位mm)除以目镜的放大倍数。
• The exit pupil of a telescope is the circular beam of light that leaves the eyepiece being used and is measured in mm.
  望远镜的出射光瞳是指射出目镜的圆形光束的直径，单位是mm。
• Or, you can calculate the exit pupil by dividing the focal length of the eyepiece (in mm) by the focal ratio of the telescope.
  或者，你还可以将目镜的焦距除以望远镜的焦比来得到出瞳尺寸。

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词组短语

短语

• shape of exit pupil 出瞳形状
• periscope exit pupil 潜望镜出瞳
• diameter of exit pupil 出瞳直径
• generalized exit pupil 广义出瞳
• distance of exit pupil 出瞳距离

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英英字典

柯林斯英英字典

• the smallest cross section of the beam of light from the eyepiece of a telescope through which all the light from the eyepiece passes. Its diameter is equal to the ratio of the focal length of the eyepiece to the focal ratio of the telescope

• exit pupil剑桥字典
• exit pupil柯林斯字典

专业释义

物理学

• 出射光瞳
• 出瞳
• 出射瞳孔
• 出射光孔

计算机科学技术

• 出射光瞳

天文学

• 出射瞳孔
• 出射光瞳
• 出射瞳径

摄影

• 后透光孔

测绘科学技术

• 出射光瞳
• 出射瞳孔