查询词典 epidemical

This paper dealt with an epidemical investigation on the risk factors of two cholecystectomies and nosocomial infection.

采用前瞻性方法调查两种胆囊切除术与医院感染的关系。

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。

Objective To study the present situation and epidemical characters of overindulged behaviors among preschool children in Shenzhen City,and to provide evidence for the intervention measures.

目的研究深圳市学龄前儿童溺爱行为现况及其流行特征，为采取相应的干预措施提供依据。

Observe:To investigate the clinical and epidemical feathers of hand-foot -mouth disease and to provide evidence for clinical diagnosis,treatment and prevention of HFMD.

目的：了解手足口病的流行特征和临床特点，为手足口病的临床诊断、治疗及预防提供依据。

However, due to the conventional view and some implemental difficulty, there has been little research and epidemical investigation on iatrogenic injury.

但是，鉴于某些传统观念和操作问题，有关医源性伤害的流行病学调查和研究甚少。

In Chapter 4, we consider SIR epidemical models with continuous and impulsive vaccinations, the incidence is bilinear. The reproduction numbers have been obtained for those models.

在第四章，考虑了具有连续预防接种和脉冲预防接种的SIR流行病模型，分别获得了它们各自的基本再生数。

Objective To identify and analyse the phenotypic and DNA genotypic characterization of a kind of new epidemical Shigella flexneri type 4 strains.

目的鉴定、分析新出现的福氏志贺菌4型流行菌株的表型和DNA型别特征。

In the SIRS epidemical models with impulsive vaccinations, we prove the existence and global stability of the disease-free periodic solution.

对脉冲预防接种的SIRS流行病模型，证明了无病周期解的存在性和全局渐近稳定性。

In Chapter 5, SIRS epidemical models with continuous and impulsive vaccinations are discussed. We find out reproduction numbers corresponding to those models.

在第五章，研究了具有连续预防接种和脉冲预防接种的SIRS流行病模型，在连续预防接种和脉冲预防接种下，分别给出了SIRS流行病模型基本再生数。

Injury is increasingly caught attention of the governments and institutions as well as the public over the world, and its classification and epidemical investigation are becoming increasingly elaborate.

伤害问题已越来越受到世界各国政府、相关机构及公民的关注，关于伤害的具体分类以及相关流行病调查也越来越详尽。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。