这样，您可以将来自其他文档模型的内容添加到这个元素中，从而扩展这个文档所允许的总体元素类型—尽管是在一个特定的位置。
In this way, you can add content from other document models inside this element, thus extending the types of elements allowed overall in the document-albeit in a specific location.
如果开关禁用某种安全类型，对队列管理器的总体安全性会产生什么影响？
If switches disable some type of security, what effect will that have on the security of the queue manager overall?
聚合是一种特别类型的关联，用于描述“总体到局部”的关系。
Aggregation is a special type of association used to model a "whole to its parts" relationship.
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