利用协变和反变观点给出了拓扑学中强拓扑函数空间的一个新刻划。
汽车空调蒸发风机与专用逆变器系统是机电一体化产品。
类似地，因为它对T来说是暴露的，它能安全地声明为对于T是可逆变的。
1·The governing equations on the transformed space are formed by using the contravariant velocity components of the Euler equations, the treatment on the wall boundaries is simplified.
在计算空间以逆变速度分量为未知变量的欧拉方程组为控制方程，从而简化壁面边界的处理。
2·The main feature of the algorithm is that the pressure and pressure correction equations are obtained by explicitly treating pressure cross-derivatives terms in interface contravariant velocities.
该算法的特点是显式处理界面速度中的压力交叉导数项，得出压力与压力修正方程，使得压力及压力修正值与界面逆变速度直接耦合。
3·The paper briefly explains the contravariant principle and the effect of the return of afterflow, suggests the method of rendering the return of afterflow.
简要地说明逆变原理及续流回路的作用，提出了绘制续流回路的方法。
4·An interface that has a contravariant type parameter allows its methods to accept arguments of less derived types than those specified by the interface type parameter.
如果接口具有逆变类型形参，则允许其方法接受与接口类型形参指定的派生类型相比，派生程度更小的类型的实参。
5·The kernel control module is used for controlling the variable-frequency contravariant module and the power factor correction module;
核心控制模块，用于控制变频逆变 模块和功率因数矫正模块；