Aimed at surveying method of three-dimensional traverse, this paper makes research on accuracy matching of three-dimensional traverse by Electrofiic total station.
2
简要介绍了天文水准在阵地导线网高程测量中的作用。
The function of astronomical leveling in height survey of position traverse control network is introduced.
3
导线测量是一项精密而细致的工作,直接影响到路线的定线和高程系统的控制。
The orientation measurement is a precise and detailed job, and it affects directly the route alignment and the control of elevation system.