The approach of Epidemical Field Research was applied.
采用现场流行病学调查方法。
Methods:We adopted Epidemical Field Investigation method to study it.
方法：采用流行病学现场调查方法。
In this paper, a discrete stage-structured epidemical model is proposed and studied.
本文主要讨论了离散的阶段结构传染病模型。
To understand the level of compliance with the epidemical investigation and serological tests after SARS .
了解本次血清流行病调查的依从性。
Objective To understand epidemical situation of Gnathostoma spinigerum in Wuhua county of Guangdong province.
目的了解广东省五华县棘颚口线虫的流行情况。
Objective To investigate the epidemical range, the distribution features and the state of endemic arsenism in Ying County.
目的查清应县地方性砷中毒病区的流行范围、分布特征和危害程度。
Conclusion Serous ELISA detection of HP antibody can be used widely in clinical diagnosis and epidemical screening without e...
结论该法无需常规内镜检查，活检查hp而单纯用血清学检查，可广泛应用于临床诊断和流行病学人群普查。
Objective to master the epidemical characteristics and risk factors of adolescent acne in urban and rural areas in southern Hebei.
目的了解冀南地区城乡青少年面部痤疮的流行病学特点，分析其患病的主要危险因素。
The transformation between the three fundamental epidemical patterns with varying the model parameters were investigated in this paper.
本文对模型各参数的变化与血吸虫病三种基本流行模式间的转化规律进行了深入探讨和定量估计。
Conclusion Serous ELISA detection of HP antibody can be used widely in clinical diagnosis and epidemical screening without endoscopy and biopsy.
结论该法无需常规内镜检查，活检查hp而单纯用血清学检查，可广泛应用于临床诊断和流行病学人群普查。
Recent epidemical study indicates that the incidence of AD in some populations is substantially influenced by the gene polymorphisms of the inflammation mediators.
近来流行病学研究显示炎症介质的基因多态性可以影响阿尔茨海默病在人群中的发病率。
Objective To understand epidemical condition of infectious disease among entry - exit persons, and provide a scientific basis for infectious disease surveillance at ports.
掌握出入境人员中传染病的流行情况，为口岸传染病监测工作提供科学依据。
The crime of breach of duty concerning epidemical prevention and cure is categorized as a specific crime of dereliction of duty. ollege students deemed as a special social group.
传染病防治失职罪属于渎职罪中的一具体罪名。该罪在犯罪客体、客观方面、主体和主观方面都有自己的特征。
In the procedure of criminal cognizance of epidemical prevention and cure, we should look sharply at the changes of new and old criminal law and the related judicatory explanation.
在司法认定传染病防治失职罪时，我们要注意新旧刑法的变化和有关的司法解释。
Objective to comprehend the awareness rate of the related knowledge about AIDS 'transmission routes in prevalent epidemical area in order to provide basic data for cutting off the transmission.
目的掌握艾滋病流行地区艾滋病传播途经相关知识的知晓率，为开展艾滋病健康教育，阻断传播提供基础资料。
Objective to comprehend the awareness rate of the related knowledge about AIDS 'transmission routes in prevalent epidemical area in order to provide basic data for cutting off the transmission.
目的掌握艾滋病流行地区艾滋病传播途经相关知识的知晓率，为开展艾滋病健康教育，阻断传播提供基础资料。
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