后期版本的DR对焦距离为20英寸,同时标有英尺和米,但是没有成像比例。
The Later version of the DR focuses to 20 "and is marked in BOTH feet and meters, without the repro ratios."
讨论了构造比例自变换函数及其成像过程,据此制成光栅透镜组合件。
The self imaging functions which can self image on scale are shown.
讨论了构造比例自变换函数及其成像过程,据此制成光栅透镜组合件。
The self imaging functions which can self image on scale are shown.
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