Metadata Reference Information 元数据参考信息 ; 后设资料参考资讯
Having the metadata inlined with the actual code it references provides locality of reference, so that everything is in one place.
使元数据与它引用的实际代码实现内联，从而提供引用的本地性，使所有事物都汇集在一个地方。
This means that data is never written in place (never overwritten), but instead new blocks are written and the metadata updated to reference it.
虽然这意味着数据永远不会写入到位(从来没有被覆盖)，而是写入新块并更新元数据来引用数据。
Users are able to add notes, tags, and their own metadata through the in-browser interface and export reference library data as formatted bibliographies for use elsewhere.
用户可以在浏览器界面添加备注、标签和他们本身的元数据，也可以格式化书目的形式输出参考库数据，以便在别处使用。
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