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| 11. | Through surveying a great number of the ducuments, the anthors expound the present state of the research on the jet of ice grains. |
| 通过大量的文献检索,系统地阐述了国内外冰粒射流的研究现状。 |
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| 12. | Social Sciences Document Retrieval(in Chinese) |
| 中文社科文献检索 |
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| 13. | Offers the opportunity to practice literature searching and writing scientific paper. |
| 练习科技文献检索和科技论文写作。 |
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| 14. | Sci-Tech Document Retrieval (in Foreign Language) |
| 外文科技文献检索 |
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| 15. | document retrieval service |
| 文献检索业务[机构] |
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| 16. | A review with15 references is given on the effects of selenium on prevention and treatment of cancers through studies in the recent years. |
| 通过对近几年国内外文献检索，综述了微量元素硒防癌抗癌作用的研究进展。 |
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| 17. | This paper provides a description of the methods, skills, and knowledge of expert searchers working on medical literature search. |
| 本文就医学文献检索的基本概念、法和技巧作一简要介绍。 |
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| 18. | English Course of Environmental Biology |
| 专业英语(含文献检索) |
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| 19. | Document Retrieval and Use |
| 文献检索与利用 |
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| 20. | As one of the two information retrieval languages, it consists of keyword language, system of subject heading, descriptor indexing. |
| 主题法作为两种主要的情报检索语言之一，其功用在传统的文献检索中已经得到了充分的体现。 |
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