What can you do with expression trees?
你能用表达式树做些什么呢？
MetaLinq isn't the only way to edit expression trees.
MetaLinq并不是唯一对表达式树进行编辑的方法。
Expression trees are a powerful feature in any language.
表达式树在任何语言中都是一个强大的功能。
Here are some USES of expression trees that may be interesting.
如下是一些可能比较有趣的表达式树的用法。
The DLR USES expression trees to represent language semantics.
DLR使用表达式树来表示语言语义。
The IBM JIT compiler USES a sequence of expression trees to represent the method's operations.
IBMJIT编译器使用一个表达式树序列表示方法的操作。
He has a great example of how you can manipulate the expression trees and build custom conditions in your lambda expressions.
他举出了大量的例子告诉你如何巧妙地处理那些表达式树和编译你的带自定义条件的lambda表达式。
Binders encapsulate a language's semantics and specify how to perform operations in a call site by using expression trees.
联编程序将封装语言的语义，并指定如何使用表达式树在调用站点中执行操作。
Query expressions can be compiled to expression trees or to delegates, depending on the type that the query is applied to.
查询表达式可以编译为表达式树或委托，具体取决于查询所应用到的类型。
In his article on expression trees Ian Griffiths gives a great introduction to lambda expressions and their relation to expression trees.
IanGriffiths在他关于表达式树文章中，给出了一个非常不错的Lambda表达式介绍，以及Lambda与表达式树的关系。
Moq is a mocking library for .NET designed and developed to utilize .NET 3.5 features, e.g., Linq expression trees and lambda expressions.
Moq是利用诸如Linq表达式树和Lambda表达式等.NET 3.5的特性，为.NET设计和开发的Mocking库。
The LinQ solution for this problem is expression trees, a reflection-like mechanism whereby you can reflect over not only a class's members, but also a method's code.
使用LinQ解决此问题的解决方法是使用表达树，这是一种类似反射的机制，您不仅可以用它反射类的成员，还可以用它反射某个方法的代码。
Without expression trees, its impossible to describe expressions in a descriptive format; the only description of them is IL, which is too low level to re-create the user's intent for the expression.
没有表达式树的话，我们是不可能用描述格式来表示一个表达式的。他们唯一的表示方式是IL(中间语言)，这种语言对于重新表述用户的意图来说太低层次了。
He began to walk about, looking up in the trees and at the walls and bushes with a thoughtful expression.
他开始四处走动，向上望着树木、墙壁和灌木丛，脸上带着若有所思的表情。
Photosynthesis directly influences the growth speed and leaf pigment content, and further affects the color expression of leaves of the colored-leaf trees.
光合作用直接影响彩叶树种的生长和叶片色素含量，进而影响彩叶树种的叶色表现。
Photosynthesis directly influences the growth speed and leaf pigment content, and further affects the color expression of leaves of the colored-leaf trees.
光合作用直接影响彩叶树种的生长和叶片色素含量，进而影响彩叶树种的叶色表现。
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