短語詞組短語Bound of variable 變元的約束bound d variable 受限變量bound decision variable 約束決策變量Bound -variable 約束變元Bound variable clash 自由變量和約束變量variable bound 可變上下界;[數(shù)]變量約束bound occurrence of a variable 變量的約束出現(xiàn)Type Variable Bound 類型變量界定 返回 bound variable