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　　Engineering Index (EI) is the oldest of a large-scale comprehensive search tool by the American Federation of Engineers, founded in 1884. EI's global academia, engineering, information industry in the prestigious, is a common recognition of the scientific community an important search tool. "Engineering Index" The Engineering Index is for general information retrieval technology publications field of engineering literature review. Referred to as EI, 1884 start publication, yearbook, 1962, a monthly increase this. US engineering company by the information editing and publishing. Excerpts from journals in the world each year engineering technology about 3,000 species, as well as conference literature, books, technical reports and dissertations, reports Abstracts of about 150,000, including research in the field of all engineering disciplines and engineering activities. Published in print form, microfilm, computer tapes and CD-ROM disc. Abstracts by Title alphabetical arrangement of the word, who has annual distribution, author and subject of the work of agencies such as three kinds of indexes, and references to publications and meetings directories; monthly and subject only equipped with two types of indexes. In addition, a separate publication "project title vocabulary", "Engineering Publications Catalog" and a variety of topics Digest. The main features are high quality excerpts, abstracts by alphabetical order direct, simple and practical index. August 15, 2019 visit

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IEEE

　　Institute of Electrical and Electronics Engineers (IEEE, stands for Institute of Electrical and Electronics Engineers) is an association of electronic technology and information science engineers of the United States, is the world's largest non-profit professional society current technology, its membership exceeds 40 million in over 160 countries. IEEE committed to the development and research of electrical, electronics, computer engineering and science-related fields, in space, computer, telecommunications, biomedicine, electric power and consumer electronics and other fields has developed more than 900 industry standards, has now developed international academic organizations have greater influence. China has 55 colleges and universities in Beijing, Shanghai, Xi'an, Wuhan, Zhengzhou, Jinan and other places set up IEEE Student Chapter. August 15, 2019 visit

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　　OA (Office Automation, referred to as OA) is a new way of working the modern office and computer technology combine. OA is no uniform definition, all using a variety of new technologies, new machinery, new equipment in the office business in the traditional office, all belong to the field of office automation. By implementing office automation, digital or office, you can optimize the existing management structure, adjust the management system, on the basis of efficiency, increase coordination office capacity, strengthen the consistency of decision-making. August 2019 14 Access

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SCI

　　US "Science Citation Index" (Science Citation Index, referred to as SCI) in 1957 by the Institute for Scientific Information (Institute for Scientific Information, referred to as ISI) was founded in Philadelphia, was founded by the American Institute for Scientific Information (ISI) 1961 Nian published citation database. SCI (Science Citation Index), EI (Engineering Index), ISTP (Index to Science and Technology Conference) is the world's three famous scientific literature retrieval system, is an internationally recognized major search tools for scientific and statistical evaluation of science, most of which SCI important. SCI founder is Eugene Garfield (Eugene Garfield, September 16,1925 ~ 2017 ). August 15, 2019 visit

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