... 平行倾斜摄影 parallel inclined photography 单板测微器 parallel micrometer 平行分度器 parallel motion protractor ...
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parallel plate micrometer 平板测微器
parallel-plate micrometer 平行片测微器 ; 平行板测微器
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Then using another convex lens and a micrometer eyepiece the altered parallel rays is focused, and the imaging size of line pair of collimator imaged on the another convex lens is measured.
用一辅助凸透镜与一测微目镜进行平行光束的会聚,测出准直管玻罗板线对在辅助凸透镜焦平面上所成像的大小;
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