短語詞組短語direct t proportion 正比;正比例Direct and inverse proportion 正反比a direct proportion 正比例near -direct proportion 接近直接比例function of direct proportion 正比例函數(shù)graph of direct proportion 正比圖形relation of direct proportion 反變關(guān)系not in direct proportion 不成正比in direct proportion to 在直接比例;成正比對;與…成正比例 返回 direct proportion