To be in charge of boundarysurvey and the intercession for boundary disputes related to administrative zone;
负责有关行政区域界线的勘定、边界争议的调处；
2
Sharp geochemical change belt reflects the geochemical characteristics of block margin of craton and so on, which reveals the boundary location more effective than geological survey.
地球化学急变带反映了克拉通边缘的地球化学特征，它可比地质观察更有效地揭示克拉通边界的位置。
3
In the survey of cadastre and real estate, it is very important for position precision of boundary point because it directly influences parcel area and position relationship around it.