短語詞組短語yield of per unit area 單位土地上的年fictitious yield per unit area 虛擬單位産量yield per unit surface area 單位水麪産量the yield per unit area 單位麪積産量annual yield per unit area 每單位麪積年産量Expected yield per unit area 期望單産grain yield per unit area 糧食單位麪積産量有 返回 yield per unit area