When speed is greater than 250 km it needs high precision for railway, it is necessary to establish the corresponding precision engineering control framework. Based on the precise control of the new railway network Liunan retest methods, techniques, data pro- cessing, statistics, analysis of the stability of the control points, and retest correlation tech- niques were discussed.%时速大于250km铁路具有精度要求高的特性,因此,必须建立与之相适应的精密工程控制框架。介绍了新建柳南铁路精密控制网的复测的方法、技术要点、数据处理、统计、控制点的稳定性分析,并对复测相关技术进行探讨。
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