| 1. | Article 8 the state shall establish a nationwide unified geodetic coordinate system , plane coordinate system , vertical system , geocentric coordinate system and gravimetric system , and define the classification of orders and classes and precision of the national geodetic survey , as well as the national basic scale map series and their basic precision 第八条国家建立全国统一的大地坐标系统、平面坐标系统、高程系统、地心坐标系统和重力测量系统,确定国家大地测量等级和精度,以及国家基本比例尺地图的系列和基本精度。 |