Terms for subject Aviation containing second order

English	Chinese
second order	二阶的
second order	二级的
second order perturbation	二级微扰
second order system	二次系统
second-order central difference	二阶中心差分
second-order differential	二阶导数
second-order differential	二阶差分
second-order system	二次系统
second-order term	二阶项
second-order transition	二级相变
the second order partial differential	二阶偏微分
undamped second-order system	无阻尼二阶系统