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时速大于250km铁路必须具有高精度的几何线性参数,做到高平顺性。因此,必须建立一套与之相适应的精密工程测量体系。根据平面控制测量的测量精度要求,对京沪高速铁路CPII平面控制网复测相关的技术进行了探讨。
Speed greater than 250km Railway must have high-precision geometric linear parameters, to achieve high ride comfort. Therefore, we must establish a set of sophisticated engineering measurement system. According to the measurement accuracy requirements of plane control measurement, the technologies related to the re-measurement of CPII plane control network of Beijing-Shanghai high-speed railway are discussed.