...进展；研究方向 [gap=949]traffic flow; short-term forecasting; methods classification; research progress; research trend ...
基于28个网页-相关网页
Research & Trend Study 设计趋势研究
research trend analysis 研究趋势分析
Emerging research trend 新兴科研趋势
academic research trend 学术研究动向
important research trend 重要的研究方向
international research trend 国际研究动态
research trend in landscape 景观研究动态
research trend key words database 学术动态主题词库
Using bibliometric methods,this paper made a statistical analysis about document delivery service study published since 1989 in China,including time’s distribution,periodicals distribution,authors distribution,and some research topics were summarized and made a prediction about the future research trend.
论文采用文献调查的方法对1989年以来国内文献传递服务研究领域的论文的时间分布、期刊分布、著者分布情况进行了统计分析,对研究主题做了简要的综述,并对未来的研究趋势进行了预测。
参考来源 - 基于文献计量的国内文献传递服务研究综述·2,447,543篇论文数据，部分数据来源于NoteExpress
The research trend in the after-treatment technology of diesel exhausts has been proposed.
本文分析探讨了柴油机排气颗粒物的组成、危害及后处理技术。
Fix the background of research, the research trend, the significance of the research., the ways of the research.
提出研究的背景、研究的动态、研究的意义、研究的思路和方法。
The article summarize the research productions of sports nutriology, and put forward the present research trend.
文章综述了运动营养学的研究成果，提出了当前的研究热点和趋势。
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