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Ds3型水准仪的几何条件
更新时间: 2021-01-22 07:56:27  

DS3型水准仪的主要轴线有望远镜视准轴、水准管轴、圆水准轴,此外还有仪器的竖轴。它们之间应满足以下几何条件:

1、圆水准轴平行于仪器的竖轴;

2、十字丝横丝垂直于竖轴;

3、水准管轴平行于视准轴; 其中此项为主要条件。

关键词: ds3 水准仪 几何 条件

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