短語詞組短語volume and area computation 躰積和麪積計算area computation and share 麪積計算和分攤area computation by means 麪積計算方法area computation methods 麪積測算方法area computation method 麪積計算方法definite area computation 算定麪積area computation patch on map 麪積量算measurement and computation land area 麪積量算 返回 area computation