兰州市削山造地区域生态变化遥感评价方法

高小龙,闫浩文,王桂钢,白建荣

Approach to Remote Sensing Assessment of Ecological Changes of Land Creation in Lanzhou City

Xiaolong Gao,Haowen Yan,Guigang Wang,Jianrong Bai

图5 标准差椭圆和重心

Fig.5 Standard deviation elliptical and Meancenter