A context item is an immutable object and contains state.
上下文项是不可变的对象，并包含状态。
A context item may be added to and removed from a context.
可以在上下文中添加和移除上下文项。
Defines a callback method that is invoked when a context item changes.
会定义当内容项目变更时叫用的回呼方法。
Called on a context item before it is stored in the context item manager.
在上下文项存储到上下文项管理器中之前对其进行调用。
The previous item in the context item manager is passed in as a parameter.
内容项目管理员中的前一个项目会当做参数传入。
If the context item is undefined, you have no way to select nodes from the document.
如果上下文item未定义，您就无法从文档中选择节点。
When overridden in a derived class, gets the item type for this editing context item.
当在衍生类别中覆写的取得这个编辑的内容项目的项目类型。
The second argument to subsequence is the starting position; the dot represents the context item.
subsequence的第二个参数是开始位置，点号表示上下文项。
You can subscribe to a change callback, which is raised when a particular type of context item changes.
您可以订阅在特定类型的上下文项更改时引发的更改回调。
Unlike a service, the value of a context item can change at any time, so you should never cache a context item.
与服务不同，上下文项的值可以随时更改，因此您绝不应缓存上下文项。
As you use the to operator to iterate through various integers, the context item (it's the context item in 2.0) is undefined.
当您使用to运算符迭代各个整数时，上下文item(2.0中的上下文item)是未定义的。
When overridden in a derived class, adds a callback that is invoked when a context item of the specified item type changes.
当在派生类中重写时，添加一个将在指定项类型的上下文项发生更改时进行调用的回调。
If dividing the context item by 2 leaves a remainder of 1, the stylesheet generates the CSS code background: gray; color: white;.
如果上下文项除2余1，样式表就生成CSS代码background：gray；color：white；。
This version of evaluate takes a context item, as is normal, but does not require a return type, and it seems to return a string.
这个版本的evaluate也需要上下文参数，但是不需要返回类型，它似乎返回一个字符串。
A context item published to the editing context that represents a collection of imported namespaces associated with the designer.
一个发布到编辑上下文中的上下文项，该项表示与设计器相关联的导入命名空间的集合。
When overridden in a derived class, returns a value indicating whether the context item manager contains an item of the specified type.
当在派生类中重写时，返回一个值，该值指示上下文项管理器是否包含指定类型的项。
A context item, which is an XPath expression used to point to a node that will be the starting point for the column expressions, namely AccountingCustomerParty.
一个上下文项，它是一个XPath表达式，指向作为列表达式的起点的节点(即accountingcustomerparty)。
The dot (.) is now known as the context item expression, and might be a node or an atomic value, depending on the current item in the sequence being processed.
点号(.)在这里称为上下文项表达式，可以是节点或者原子值，视处理的序列中的当前项而定。
To generate this code, you use attribute value templates (the code inside the curly braces ) with the current value of the context item. Each table row is defined like this.
要创建这种代码，在属性值模板(放在花括号中的代码)中使用上下文项的值。
Context menus change based on the item they are associated with and are now more meaningful.
上下文菜单根据与之关联的项目发生变化，因此现在变得更有意义。
And to help provide context and improve communication, you can track and comment on each work item.
而且还帮助提供上下文背景，并改善交流，您可以追踪并评论每个工作项。
In a more complicated scenario, simply maintaining context with a single item and requiring page transitions to be coupled with context transmission may not be sufficient.
在更为复杂的场景中，仅仅使用单个项维护页面以及将页面转换与上下文传递相结合并不能够满足需求。
Launch the UTC using the server context menu item.
使用服务器上下文菜单项启动utc。
When a user selects a menu item from a designer context menu, the custom handler is called to execute the verb associated with the menu item.
当用户从设计器上下文菜单中选择菜单项时，系统将调用该自定义处理程序，以执行与该菜单项关联的谓词。
An encyclopedia is sometimes a valuable resource if you need to clarify facts, get quick background, or get a broader context for an event or item.
当你需要了解与某一事件和术语相关的，清晰的事实、简洁的背景、或者更广泛的语境的时候，百科全书是一个很好的资源。
If we convert these lines to what they mean in English, we can see that each information item, and its context, makes sense and is contextually complete.
如果将这些行转换成用文字表示，我们可以看到每个信息项和它的上下文都有意义，并且在上下文中是完整的。
In this method, you gather the Sametime partner's contact ID for which the Google Map Directions context menu item is selected.
在这个方法中，我们收集为其选中GoogleMapDirections上下文菜单项的Sametime合作伙伴的联系人ID。
You can now type Ctrl-M, Ctrl-V within a Controller action method, or right-click within an action method and choose the "Add view" context menu item to create new view templates.
你现在可以在一个控制器的action方法中键入Ctrl - M, Ctrl - V，或者在一个action方法中右击，选择“添加视图”上下文菜单项来生成新的视图模板。
You should see a Partner Lookup context menu item.
还应该看到一个PartnerLookup上下文菜单项。
Execute the script using the Run external admin script context menu item of the server (Figure 5).
使用服务器的Runexternaladminscript上下文菜单项运行该脚本(图5)。
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