anastigmatic
英[ənæstɪɡ'mætɪk]
美[ənæstɪɡ'mætɪk]
- adj. 无收差的
详细释义
Adjective:
-
pertaining to a lens or lens system free of astigmatism (able to form point images)
-
not astigmatic
双语例句
- 1. It is also shown that only when the gratings are cylinder or plane ones, the second order sagittal anastigmatic circular field and meridional non defocus flat field spectral images can be formed.
- 还指出仅当柱面或平面光栅时，才能形成二阶子午无离焦平场和弧矢无象散圆场谱面。
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- 2. It is also shown that only when the gratings are cylinder or plane ones, the second order sagittal anastigmatic circular field and meridional non defocus flat field spectral images can be formed.
- 还指出仅当柱面或平面光栅时，才能形成二阶子午无离焦平场和弧矢无象散圆场谱面。
youdao
用法讲解
- anastigmatic lens 消象散透镜
- electron optical anastigmatic system 电子光学消像散系统...
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