Once you finish editing, you can change the Title, Author, Subject and Keywords of the document.
一旦您完成编辑,您可以更改书名,作者,主题词和关键词的文件。
For example, each document contains several standard keywords, such as date and subject description.
例如,每个文档都包含一些标准关键词,例如日期和主题描述。
Graph common subject-matter keywords in your discussions and create geographical maps of your friends' locations.
在对话中记下常见的主题关键词,并创建表示您的朋友的地理位置的地图。
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