user interest model 用户兴趣模型
user interest tree 用户兴趣树
user-interest space 用户兴趣空间
user interest level 用户兴趣度
user interest agent 用户兴趣代理
user interest shift 用户兴趣变化
Vendors had to implement these necessary features with proprietary extensions; and proprietary extensions tend to limit user interest.
供应商必须通过私有扩展来实现这些必需的特性，而私有扩展往往减少了用户的兴趣。
Probe: Location of user interest either in kernel or in application from where data needs to be recorded.
探测（Probe）：内核或应用程序中用户感兴趣的位置，需要记录来自这些地方的数据。
This happens for searches that indicate a strong user interest in a particular domain.
这将出现在那些用户关注程度大的域名搜索结果中。
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