The ladder model of agricultural scientific district was established. Various factors should be considered when building districts.
即建设农业科技园区时,依据当地影响园区建设的多种因子,实事求是地确立农业科技园区的具体功能,从而形成不同层次,具有一定级差的农业科技园区建设模式。
参考来源 - 我国农业科技园区梯级模式选择及发展对策研究·2,447,543篇论文数据，部分数据来源于NoteExpress
To learn the epidemic law of virus hepatitis in Dongli District since 1990 to 2004 and provide scientific basis for the work of prevention.
目的了解和掌握天津市东丽区1990 ~ 2004年病毒性肝炎的流行规律，为制定防治对策提供科学依据。
Objective to understand of epidemic features of mumps in Chuanshan District, Suining City and to provide scientific basis and suggestion for mumps control.
目的了解遂宁市船山区流行性腮腺炎的流行特征，为有效控制该病提供科学依据。
Secondly, the studying on the methods of SEA should be carried out under the EIA, particularly the scientific and technological methods of district EIA.
其次，提出SEA方法学的研究应在EIA的基础上进行，尤其是应借鉴区域环境评价的科学方法与技术；
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