放点方法二则
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					    摘要: 本文提出在施工放点测量过程中,经常遇到的两已知控制点,相互间既不通视又不能架设经纬仪的一种扩展法。改进了传统测量方法的一种快速、准确的补充手段,为在工作中提供了方便。Abstract: An extended method for setting out the two controlling points which are not in sight with each other during the setting out surveying is proposed. This method is a quick and precise complemental method. It provides convenient for surveying.
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