文献计量指标既能为综合评价科技期刊的学术质量和期刊策划提供重要的依据，还能给编辑策划和工作提供正确的导向。
Bibliometrics indexes not only can provide basis for evaluations and plans of periodical, but also can give right direction for work of editor.
从选取的7个主要文献计量指标对2005和2006年全国科技期刊，医药类期刊及预防医学期刊进行了比较。
Basing on selected 7 main metric indicators, all science journals, the journals on medicine and preventive medicine in 2005 and 2006 are compared.
《工程索引》所报道的文献源于已出版的科技期刊、技术报告、专题论著、会议论文、产品目录和其它信息载体。
The literature covered is found in published journals, technical reports, monographs, conference proceedings, directories and other material.
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