需求價格彈性系數(shù) demand elasticity: 需求彈性; 要求彈性elasticity of demand: 需求彈性; 需要彈性coefficient of elasticity: 彈性系數(shù); 膨脹系數(shù); 有效系數(shù)elasticity coefficient: 彈性系數(shù); 伸縮性系數(shù)arc elasticity of demand: 需求的弧彈性下載手機詞典可隨時隨地查詞查翻譯