信息可能包括对每个用户的描述数据，又或者对每次请求的统计信息。
This information might include per-user profile data, or per-query statistical information.
当组织需要的不仅仅是描述性统计时，可以请他们加入。
They can be brought in when an organization needs more than just descriptive statistics.
最后结果采用统计方法进行描述性分析和差异显著性检验。
Descriptive analysis and difference significance test of statistics method were adopted in finally result analysis.
课程描述：“普通物理”是数学与统计专业的一门必修课。
Course description: General Physics is a require course in Mathematics and Statistics.
课程描述：“普通物理”是数学与统计专业的一门必修课。
Course description: General Physics is a require course in Mathematics and Statistics.
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