The paper studies the integration between digital service provider and network service provider on the value chain in the environment of 3G, analyzes separately the push SC and the pull SC.
在3G环境下，针对价值链上的数字服务商与网络服务提供商之间的整合进行研究，分别对推式供应链和拉式供应链进行了分析。
It is a key problem for information service that researching of pull-push technology and obtaining information intelligently.
研究更为完善的推拉技术、更方便和智能的信息获取方式是图书馆信息服务中的重要课题。
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