短語詞組短語integral j calculus 定積分integral l calculus 積分學;積分Differential & Integral Calculus 單變量微積分single variable integral calculus 一元函數(shù)積分學Integralrechnung integral calculus 積分學energy integral calculus 能量積分parametric general integral calculus 蓡數(shù)式通積分 返回 integral calculus