目的预测全国肾综合征出血热(HFRS)发病流行强度和流行规律。
Objective To predict the epidemic strength and tendency for hemorrhagic fever with renal syndrome (HFRS).
对使用不同燃煤方式的居民户主要食物氟含量与氟中毒流行强度进行对比分析。
Analyse the content of fluorine in air in the room where different kind of coal is used and the main food and the intensity of epidemic.
虽然降幅较大，但是流感的流行强度仍然较高，两项指标分别是去年同期的7.2倍和5.4倍。
Although the decline is significant, but the intensity of influenza pandemic remains high, the two indices over the same period last year, 7.2 times and 5.4 times.
相关性的强度应该达到一定联系强度水平(从流行病学的角度来看)，并且副反应与疫苗存在剂量-反应关系。
The association should be strong in the magnitude of the association (in an epidemiological sense), and in the dose-response relationship of the vaccine with the adverse effect.
我们必须认识到，全世界都受到这种流行病的影响，而且最薄弱的环节将决定这根链条的强度。
There needs to be recognition that the whole world is affected by this pandemic and the chain is only as strong as its weakest link.
流行的聚丙烯酸铵分散剂的使用将产生更低得多的流延强度。
The use of the popular ammonium polyacrylate dispersants will result in much lower tape strength.
运动焦虑反应的强度和方向性的综合性研究是现代竞赛焦虑研究的流行领域。
Comprehensive studies on the reactive intensity and direction of sports anxiety are popular in the study field of modern competition anxiety.
本文介绍在工程应用中流行的边界元法，侧重综述与航空结构强度关系比较密切的文献资料。
This paper introduces the boundary element method currently used in engineering. Emphasis is placed on summary of references closely related to strength of aeronautical structures.
结论西昌高山型血吸虫病流行区不同人群疫水暴露方式、时间和暴露强度不同。
Conclusion Water exposure modes, times, and intensities of different populations were different in mountainous schistosomiasis endemic areas of Xichang.
流行病学资料显示，不同频段、不同强度电磁辐射长期暴露可能对人体的健康造成影响。
Many epidemiological data indicated that long-term exposure to different frequency and intensity of electromagnetic radiation may impact human health.
流行病学资料显示，不同频段、不同强度电磁辐射长期暴露可能对人体的健康造成影响。
Many epidemiological data indicated that long-term exposure to different frequency and intensity of electromagnetic radiation may impact human health.
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