To focus in optical system and to determine the center of rotary table are common problems in many measurement systems.

对光学系统进行调焦和确定旋转工作台的中心对许多测量系统来说是一个共性问题。

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To focus in optical system and to determine the center of rotary table are common problems in many measurement systems.

对光学系统进行调焦和确定旋转工作台的中心对许多测量系统来说是一个共性问题。

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