Return a single instance of an aggregation object.
返回聚合对象的单一实例。
The aggregation is a count of members.
聚合是成员的计数。
As a standard specification of information aggregation, RSSis become more and more popular on Internet.
作为一种信息聚合的标准规范，RSS在互联网上已经受到越来越广泛的应用。
The aggregation growth is main way of the crystal growth of zeolite A.
聚合生长是A型沸石晶粒长大的主要方式。
The people are a sea of wisdom and the aggregation of strength.
人民是智慧的海洋，力量的总汇。
An aggregation operation computes a single value from a collection of values.
聚合运算从值集合计算单个值。
Second, a lot of scholars study talent aggregation only by qualitative analysis.
第二部分，人才集聚与城市化水平互动关系的理论分析。
Second, a lot of scholars study talent aggregation only by qualitative analysis.
第二部分，人才集聚与城市化水平互动关系的理论分析。
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