Discusses the origin, features and functions of the source of information in description and studies the reasons for cancelling the chief source of information.
在总结著录信息源的产生、特点及作用的同时，重点论述取消主要信息源的概念及有关规定的理由。
Blogs were considered the "coolest" modern communication medium, but magazines remained popular and the chief source of fashion information.
博客被认为是“最酷”的现代交流手段，但杂志仍然很受欢迎，被认为是时尚信息的主要来源。
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