研究结论：既有线测量新技术在安全生产、测量精度控制、效率等各方面都有优势。
Research conclusions: There are many advantages in safe producing, controlling of precision and efficiency for existing railway's new measuring techniques.
针对GPS实时动态定位技术在铁路勘测中的应用，提出连续三角网重复设站测量既有线的方法。
A new surveying method with GPS RTK technique is proposed for the existing railway by overlapped stations in continuous triangle networks.
笔者提出采用先进的GPS - RTK技术，对既有线曲线整正进行测量。
Now GPS-RTK technique is introduced to adjust the existing railway curves.
笔者提出采用先进的GPS - RTK技术，对既有线曲线整正进行测量。
Now GPS-RTK technique is introduced to adjust the existing railway curves.
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