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协变

n.covariant; covariation
网络covariance; contra-variance; Cat-Animal

协变

英-汉网络释义

协变

covariant

(四)协变(Covariant)和逆变(Contravariant) 协变功能能够支持你使用比泛型参数更具体的类型，而逆变(contravariance)有助于使 …

covariance

什么叫协变（covariance）和逆变（contravariance）？在编程语言的类型框架中，协变和逆变是指宽类型和窄类型在某种情况 …

covariation

社会工作专业英语词汇(C2) ... covariance rule of attribution 归因共变原则 covariation 协变 cover story 表面理由 ...

contra-variance

反协变（contra-variance）：指的是一个方法的参数类型可以是委托的参数类型的基类型； internal delegate object MyCallback…

Cat-Animal

...的签名，但它被用作AniHandler是合法的，在协变（Cat->Animal）和逆变(object->Animal)的作用下，委托指向的方法中，传 …

covary

然而，我们必须有某种不同的能够与之联系、与之协变（covary）的客观变量。实际上，这种不同的变量一直就是精神病-健康 …

Bivar iance

双向协变（ Bivar iance）最后，如果我们不关心元素的类型，就可以使用双向协变的类型参数。双向协变的标记是 “*” 。

例句：

Strong topology on function space can be better understood as analyzed from either covariant or contravariant point of view .

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。

A three-dimensional Langevin equation with covariant form is applied to describe the asymmetric nuclear fission .

采用一个具有协变形式的朗之万方程组来描述不对称热核裂变。

Those little minus and addition signs are used to denote contravariance and covariance, respectively .

这些小小的加号和减号是分别用来指出协变和逆变的。

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。

The phase-covariant quantum cloning has an important application in quantum cryptography .

相位协变量子克隆在量子密码术中有重要的应有。

Based on this picture , we derive the classical analogy of the covariant continuity equation which the spin current obeys.

基于此图像，我们给出了自旋流满足的协变形式连续性方程的经典对应。

With the addition of covariance support , that limitation was partially lifted .

随着协变支持的添加，该限制才得以部分解除。

Types . Covariance permits a method to have a more derived return type than what is defined in the delegate .

协变允许将带有派生返回类型的方法用作委托，逆变允许将带有派生参数的方法用作委托。

Covariance enables you to use a more derived type than that specified by the generic parameter .

通过协变，可以使用与泛型参数指定的派生类型相比，派生程度更大的类型。

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。

Currently . NET languages such as VB and C# do not support covariance and contravariance for generics .

当前 .NET 语言如 VB 和 C#还不支持泛型的协变（covariance ）与逆变（contravariance ）。

Covariant return types are now supported .

现不再支持协变返回类型。

A full introduction to covariance and contravariance would take too long .

对协变与逆变的完整介绍要花很长时间。

Since it does not take in any K , it can safely be declared to be covariant on K .

因为它没有传入任何 K 类型的对象，它能安全地声明为对于 K 可协变的。

For . NET 2 and generics , neither co- nor contra -variance was supported.

对于 .NET2 和泛型，协变和逆变变异都不能支持了。

Up last is support for Co- and Contra-Variance.

最后就是对协变和逆变的支持了。

NET 4 will support safe co- and contra-variance on interfaces and delgates.

NET4 将在接口和委托上支持安全的协变和逆变。

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。

A general dispersion relation for internal gravity waves in the atmosphere or ocean , including baroclinicity, vorticity , and rate of strain

在大气或海洋内中重力内波的一般频散关系，包括斜压性、涡度和协变率

Four-dimensional Covariant Form of Maxwell's Field Equation in Media

介质中麦氏方程组的四维协变形式

A covariant gravitational field equation including the contribution of gravitational field

具有广义协变的包含重力场贡献的重力场方程

Physical Essence of Introducing Covariant Derivative into Gauge Theory

规范场论中引进协变导数的物理实质

Unweighted index of differential covariation

微分协变的未加权指数

A Comment on Covariance and Contravariance of Vector Transformations

关于矢量逆变与协变的一个诠注

协变

协变