The following update was also made in support to XML document upload, and you may notice the implementation of document to subject and user relationships handling.

还要做以下更新来支持XML文档上载，您可能注意到了主题和用户关系处理的文档实现。

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Based on the analysis of user relationships in the virtual medical communities, the paper proposes a user similarity computing algorithm based on Medical Subject Headings (MeSH).

在对虚拟医疗社区用户关系进行分析的基础上，提出一种基于医学主题词表的用户相似度计算方法。

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Offering more choices to define the nature of relationships allows the user greater control, but introduces complexity.

为了确定关系实质，网站提供的更多选择给了用户更大的控制权，但这同时引入了复杂性。

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We all have relationships with strangers in their thousands or millions on the road but road user relationships are corroded and corrupted by the system of control which makes us almost have a greater respect for a traffic light than for a human life.

BBC: Viewpoint: Is it time to get rid of traffic lights?

The system also provides a mechanism for a user to selectively establish contact relationships or connections with other users, and to grant permissions for such other users to view personal information of the user.

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We benefit from these relationships because their customers also register on our website, adding to our user base.

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