Abundant on line information,all direction extending network,easy and rapid retrieval,transfer and feedback mechanism,function improved CATV net and convenient on line business provide the advantage to the development of information service.
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- 丰富的网上信息、四通八达的网络、直观快速的检索、传递和反馈机制、功能改进的有线电视网和方便快捷的电子商务功能为信息服务发展拓新提供了有利条件 ;