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1·This is called a covariant return type.

这就是所谓的协变返回类型的方法。

2·Thewhole procedure used is generally covariant.

整个讨论过程具有广义协变性。

3·And while IList isn't covariant, a read-only list interface would be.

即使IList接口不是协变的，一个只读列表接口也理应如此。

4·The covariant equation of plane motion body in curved space-time is studied.

研究弯曲时空中平面运动刚体的动力学协变方程。

5·The result shows that there exists a class of optimal phase-covariant quantum cloning.

结果表明存在一类最优相位协变量子克隆。

6·By using this method, we can realize the phase-covariant quantum cloning by four steps.

用这种方法，相位协变量子克隆可以通过四步来实现。

7·This decomposition may give another definition of high order tensor's covariant derivative.

这种分解可以给出高阶张量协变导数的另一种定义。

8·When cracks cross the covariant packet boundaries, the direction deviation be-comes larger.

裂纹扩展遇到束界时方向发生较大变化。

9·Vacuum solutions of conformally covariant equation for symmetric tensor field are discussed.

本文讨论了对称张量场共形协变方程的真空解。

10·The utility of wildcards in the type system comes partially from the fact that generic types are not covariant.

通配符在类型系统中的作用部分来自其不会发生协变（covariant）这一特性。

协变

1·But if ln were aliased with li, then it would break the type-safety promise implicit in the definition of li — that it is a list of integers, which is why generic types cannot be covariant.

但是如果ln是li的别名，那么这就破坏了蕴含在li定义中的类型安全承诺——它是一个整数列表，这就是泛型类型不能协变的原因。

2·And while IList isn't covariant, a read-only list interface would be.

即使IList接口不是协变的，一个只读列表接口也理应如此。

3·On the other hand, generics are not covariant; List is not a subtype of List, and attempting to supply a List where a List is demanded is a type error.

另一方面，泛型不是协变的，List不是List的子类型，试图在要求List的位置提供List是一个类型错误。

4·This decomposition may give another definition of high order tensor's covariant derivative.

这种分解可以给出高阶张量协变导数的另一种定义。

5·In this paper, for the first time, the covariant prolongation structure theory is applied to coupled inhomogeneous nonlinear Schrodinger equations.

本文将协变延拓结构理论首次应用于非均匀两分量耦合非线性薛定谔方程组。