Discusses free retrieval methods of standards literature on Internet and introduces search skills on Web in details. Retrieval methods are also analyzed.
探讨网上免费检索标准信息的方式，详细论述各网站的检索方法，并对各种检索方式作了评析。
B2:Having a good knowledge in foreign language, grasping the skills of the data search, literature retrieval methods and scientific papers writing.
B2：具有良好的外语水平，掌握资料查询，文献检索的方法和撰写科学论文的能力；
This paper introduces the characteristics of full-text electronic periodicals database SDOS. The retrieval skills, methods and how to save the search results are discussed.
概述了SDOS全文电子期刊数据库，介绍了其检索技术、检索方法和检索结果的保存方式。
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