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1·A contravariant delegate can be assigned another delegate of the same type, but with a less derived generic type parameter.

可以向逆变委托分配同一类型的其他委托，但需使用派生程度较小的泛型类型参数。

2·The system of the evaporating fan of automobile air-conditioner and contravariant device is a kind of mechatronics system products.

汽车空调蒸发风机与专用逆变器系统是机电一体化产品。

3·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；

4·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。

5·A type can be declared contravariant in a generic interface or delegate if it is used only as a type of method arguments and not used as a method return type.

在泛型接口或委托中，如果类型形参仅用作方法返回类型，而不用于方法实参，则可声明为协变的。

6·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。

7·The working principle of the parallel contravariant IGBT variable frequency power supply and its application in the quenching process of engine crankshafts are introduced.

介绍了并联逆变式IGBT变频电源的工作原理及在汽车发动机曲轴淬火上的应用情况。

8·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。

9·This paper discusses another way, which is rewritten as product of a few contravariant vectors and covariant vectors, to define higher order tensors covariant derivative through transformations.

通过把高阶张量写成若干逆变和协变矢量的乘积，直接从变换入手，给出了定义高阶张量协变导数的另一种方法。

10·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。

逆变

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；