If one principle defined the Document Object Model, it would be that information is arranged as a parent-child hierarchy. For example, the following XML.
如果存在一个定义文档对象模型的原则，它将把信息排列成父-子层次结构。
A child font size in one selector becomes a parent font size in another selector in the lower level in the hierarchy of selector sets.
其中一个选择器中的子字体大小，将成为处于选择器集合中较低层次的另一个选择器的父字体大小。
A containment hierarchy allows the access of all child elements from a parent very easily, for instance, access to all orders associated with a specific customer.
容器层次结构允许您毫不费力地访问父元素中的所有子元素，例如，允许访问与某一特定客户相关的所有订单。
I dislike the hierarchy of human value it implies and, every time it leads a parent to believe that his or her autistic child will never feel love, I want to cry.
我讨厌这个模型所暗示的等级观念。每当我看到这种说法使父母们认为他们的孩子永远也无法感受爱时，我真想哭。
Application contexts can be configured in a hierarchy where a child application context can see beans defined in a parent, but not vice versa.
应用程序上下文可以在一个分层结构中配置，在其中，子应用程序上下文可以看到父应用程序上下文中定义的bean，但反之则不行。
The TaxonomyBrowser provides a hierarchy for categories; each category has access to its parent category, as well as its child categories.
TaxonomyBrowser提供了一个类别的层次结构；每个类别可以访问自己的父类别和子类别。
You can create a Parent by dragging any GameObject in the Hierarchy View onto another. This will create a Parent-Child relationship between the two GameObjects.
同在层级视图拖拽任意游戏物体到另一个上面就可以创建父物体，这会在两个游戏物体直接创建父子关系。
The runtime searches the levels in the hierarchy, including child groups if a match is found in some parent group.
执行阶段会搜寻阶层架构中的层级，如果符合项目是在某个父群组中找到，则还包括子群组。
Therefore, deleting a parent code group destroys any security behavior that was defined in its child hierarchy.
因此，删除父代码组将破坏已在其子层次结构中定义的所有安全行为。
Manually restore the tree hierarchy by moving the row entries of child items under their parent items.
将子项目的资料列项目移到其父项目的下方，以手动还原树状阶层。
Manually restore the tree hierarchy by moving the row entries of child items under their parent items.
将子项目的资料列项目移到其父项目的下方，以手动还原树状阶层。
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