Next, we need to add some complex elements into the document.
接下来，需要向文档中添加一些复杂的元素。
I can access elements in the JSON document quite easily - in fact, by name.
我可以非常轻松地访问在JSON文档中元素—实际上，是通过名称。
Structure is good—elements act as reminders of what must appear in the document.
结构很有用 —元素能够提醒您文档中必须出现的内容。
The goal of this document is to provide an overview of key elements.
本文的目的是对其中的一些重要元素进行简要介绍。
For example, the second document in this sample table contains two "phone" elements.
例如，示例表中的第二个文档包含两个“phone”元素。
The elements in the returned collection are in reverse document order.
返回的集合中的元素顺序与文档顺序相反。
The elements in the returned collection are in reverse document order.
返回的集合中的元素顺序与文档顺序相反。
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