第二: second变分: variation公式: formula; expression第二变分: second variation正定第二变分: positive definite second variation变分公式: variational formulation变分公式化: variational formulation第一变分公式: first variation formula第二变化: second variety第二变量: second variable第二变速齿轮: second stud gear差分公式: difference formula积分公式: formula of integration; integral formula; integration formula柯锡分公式: cauchy integral formula; integral formula of cauchy闭型积分公式: closed integration formula泊松积分公式: poisson integral formula开型积分公式: open integration formula柯西积分公式: cauchy integral formula; cauchy's integral formula欧拉积分公式: enlerian integration formula上风差分公式: upwind difference formula数值积分公式: numerical integration formula显式差分公式: explicit difference formula显示差分公式: explicit difference formula隐式积分公式: implicit integration formula有限差分公式: finite-difference formula
