It is not hard to categorize the documents after you retrieve the property value of each document.
在获得每个文档的属性值之后,对其进行分类就不难了。
The result is the key value pair of the entered document.
结果是已输入文档的键值对。
The default value is the current document specified by the current URL.
默认值是由当前URL指定的当前文档。
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