This paper introduces the method suited to the separation of land parcel by means of analytic coordinatedefinition boundary point in the routine cadastral surveying and mapping.
本文介绍了地籍测绘日常工作中宗地分割的方法。该法适合于用解析坐标定义界址点的宗地分割；
2
Both geographic and projected coordinate systems include a definition of the assumed shape of the earth (a flattened sphere); this is called the geodetic datum.
地理和投影坐标系都包含对地球形状的假设(一个略扁的球体)；这称为大地基准点。
3
Coordinate System is an alternate definition of a part's position in space that is more convenient for the inspector than its true coordinates.