“double image coincide measuring distance”的概念、定义、翻译、参考文献-科学参考

单词	double image coincide measuring distance
释义	double image coincide measuring distance Encyclopedia 艺术学传统相机测距释 double image coincide measuring distance双影重合测距取景物镜与调焦物镜间隔一定间距，并使二者同时对被摄主体成像，通过两个物镜所成影像的重合程度，判断调焦精度的平视旁轴测距方式。
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