片语
altitude difference method高度差法
explosion altitude difference炸高差h
equal altitude difference等高差
temperature difference of altitude海拔温差
altitude difference change高差变化
altitude difference of foursquare四角高差
difference in height高度差
altitude correction of zenith difference天顶差高度修正
altitude e difference高度差
Altitude difference of marking points标高差
altitude intercept高度差;截距;比高