面向智慧城市的空间坐标系统维持与转换
茹仕高, 李倩霞
Research on Maintaining and Transform of Spatial Coordinate Systems towards Smart City
RU Shigao, LI Qianxia
测绘通报 . 2015, (2): 19 -22 .  DOI: 10.13474/j.cnki.11-2246.2015.0033