laobo233
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Latest activity by laobo233-
laobo233 commented,
特定坐标系标准下的海拔高度 = 椭球高+ 特定标准下的高程异常值
laobo233 commented,
特定坐标系标准下的海拔高度 = 椭球高+ 特定标准下的高程异常值