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本文介绍DATALINK资讯交流网系统的作用和主要功能。在国外“信息高速公路”和国内“三金工程”的建造时代，DATALINK系统的产生对国内信息产业界具有一定的参考价值。关于该网络系统的详细介绍将在本刊陆续刊登。
This article describes the role and main functions of the DATALINK information exchange network system. In the era of foreign “information superhighway” and the construction of “three gold projects” in China, the emergence of DATALINK system has certain reference value to the domestic information industry. A detailed introduction to this network system will be published one after another in this issue.