短語詞組短語altitude e difference 高度差altitude difference method 高度差法altitude difference change 高差變化explosion altitude difference 炸高差haltitude difference of foursquare 四角高差equal altitude difference 等高差Altitude difference of marking points 標高差altitude correction of zenith difference 天頂差高度修正temperature difference of altitude 海拔溫差 返回 altitude difference