城市不同坐标系下的面积差异分析—

符华年, 张旭东, 汪燕林

Analysis of the area difference of different coordinate systems: taking Ningbo city as an example

FU Huanian, ZHANG Xudong, WANG Yanlin

测绘通报 . 2021, (3): 109 -112,155 . DOI: 10.13474/j.cnki.11-2246.2021.0088