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文献检索是化学研究者最为重要的工作之一．计算机及计算机网络技术的发展使文献检索工作方式取得了划时代的进展，利用WWW浏览和获取化学资源是当今化学工作者从事研究工作极富挑战性的工作．本文叙述了WWW的基本原理和通过WWW获取化学信息的方法，并给出部分Internet化学资源．
Document retrieval is one of the most important tasks for chemists. The development of computer and computer network technology has made epoch-making progress in document retrieval. Using WWW to browse and access chemical resources is a challenging task for chemical workers in today’s research. This article describes the basic principles of the WWW and WWI access to chemical information, and gives some Internet chemistry resources.