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地铁测量中精密导线点是地铁土建施工阶段的起算依据,精度好坏将直接影响土建工程的施工,其中距离测量误差是影响精密导线精度的主要因素之一。本文通过详细介绍地铁测量中距离的归化改正步骤及通过对归化改正的数据分析,确定控制网测量中距离归化改正的使用方法,为以后进行距离计算提供技术依据。
The precise conductor point in metro measurement is the starting point for the construction stage of the subway. The accuracy of the measurement will directly affect the construction of the civil works. The measurement error of the distance is one of the main factors that affect the precision of the precision conductor. In this paper, we introduce the steps of naturalization correction of distance in metro measurement and the data analysis of naturalization correction to determine the method of using distance domestication in control network measurement, which will provide the technical basis for future distance calculation.