片语

contravariant circuit逆变电路

contravariant functor[数] 反变函子；[数] 逆变函子

contravariant finiteness反变有限

contravariant coordinate反变坐标

contravariant tensor[数] 逆变张量；曲率张量；[数] 反变张量

contravariant vector[数] 逆变向量

contravariant topology协变拓扑

contravariant component逆变分量

contravariant spinor逆变旋量

英汉例句

• on a historical note, c# and vb both support array covariance (out/ienumerable scenario) even though it can lead to runtime errors in contravariant situations (in/iwriter scenario).

  追溯过去，c#和vb都支持数组协变（out/ienumerable情况），尽管在逆变的情况下这会导致运行时错误（in/iwriter情况）。

• 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。

• 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。

• 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。

• 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。

• 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。

• 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。

• 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；

• in the paper a semi-bridge switching power supply based on the sg3525, which has high contravariant frequency and stable voltage output, is introduced and applied to industrial power supply.

  本文将介绍用该集成电路组成的半桥型开关稳压电源，该稳压电源具有逆变频率高、稳压性能好的特点，适用于工业用电源。

• 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。

• the contravariant velocity fluxes are used as dependent variables in the paper. the discretization equations were solved using the simple, simplec and simpler algorithms.

  选取曲线坐标系下的逆变速度通量分量作为独立变量，运用压力校正法耦合水深流速变量。

• a 2 d depth averaged numerical model in boundary fitted coordinates for non staggered grids, taking contravariant velocity as an independent variable, is developed.

  在非正交边界拟合曲线坐标系下，建立非交错网格变量布置的水流计算模式。

• 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。

• 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。