differential and integral calculus meaning in English

微积分学

Some applications of differential and integral calculus in elementary mathematics
微积分在初等数学中的一些应用
From basic equations of elastic mechanics , related knowledge of fracture mechanics and frequent used methods of differential and integral calculus , bending fracture models of anisotropic functionally graded materials is established by assuming that material constants ( stiffness matrix component ) are expressed in arbitrary functions
根据弹性力学的基本方程以及断裂力学的有关理论及微积分方法，将材料常数（刚度系数）设为空间变量的任意函数，建立了各向异性功能梯度材料板弯曲断裂模型，即三类偏微分方程边值问题。