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1·A systematic literature search was conducted.

首先系统的文献检索。

2·Methods Literature search and field investigation were used.

方法文献查找和实地调查。

3·Literature search, material analysis, and export discussion were used.

采用文献检索，资料研究，专家讨论等方法。

4·Master the literature search and other accesses to get technology information.

熟练掌握文献检索和其它获取科技信息的方法。

5·Two investigators evaluated the titles and abstracts from the literature search.

两名研究员从文献检索中评估标题和摘要。

6·Efficient literature search is essential to the practice of Evidence-Based Medicine.

有效的文献搜索对循证医学的实践是必不可少的。

7·We combine the research methods of questionnaire investigation and literature search.

本研究采用问卷调查和文献资料相结合的研究方法。

8·The literature search resulted in 272 hits, of which 12 studies met the inclusion criteria.

文献检索结果是272人次，其中12项研究符合纳入标准。

9·Be sure to conduct a complete literature search and only list references relevant to the study.

一定要进行一次全面文献检索和只列出有关的研究。

10·This dissertation uses a literature search, questionnaire and on-the-spot investigation method.

研究采用了文献检索法、问卷调查法、实地考察及访谈等研究方法。