Information exchanges — characteristics of information transferred.
信息交换——所传递信息的特征。
The mathematics classroom teaching process is the process of a teaching information exchanges.
数学课堂教学过程是一个教学信息交流的过程。
Business: CHNRMW Business Information, Planning, Network Technology, Display, and Cultural Exchanges.
经营内容：中国人脉网络商务信息、策划、网络技术、展示、文化交流。
Business: CHNRMW Business Information, Planning, Network Technology, Display, and Cultural Exchanges.
经营内容：中国人脉网络商务信息、策划、网络技术、展示、文化交流。
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