The physical stop which corresponds to the entrance window is then the required field stop.

入射窗所对应的实物光阑就是所要求的场光阑.

辞典例句

Essentially, the field stop of the eyepiece encompasses a linear field of view from the telescope.

从本质上讲, 目镜的视场光阑与望远镜有线性关系.

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