These seven building blocks--identity, presence, relationships, conversations, groups, reputation and sharing--provide a good functional definition for social software.
这七个组成部分——身份,状态,关系,交流,小组,名誉,分享——给社交网络软件下了个不错的实用定义。
In this paper, We give a geometrical definition of conditional expectation. Identity of the definition and other definitions is discussed.
本文给出了条件数学期望的几何定义,证明了该定义与其它定义的一致性。
Writing from the definition of ethnic identity and its relationship with culture, this paper, based on the study and analysis of a typical case, explains the characteristics of modern ethnic groups.
从族群认同的概念及其和文化的关系出发,通过对一个典型个案的调查和分析,阐述了现代族群的特征。
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