常見例句OBJECTIVE To discuss the epidemical character and the cause of an outbreak of water-born bacillary dysentery. 目的通過對一起水源性細菌性痢疾爆發(fā)疫情的流行病學調(diào)查分析,探討疫情發(fā)生的原因。OBJECTIVE To explore the administration measures of air condition usage in SARS epidemical period. 目的研究傳染性非典型肺炎流行期間綜合性醫(yī)院空調(diào)設施的管理。Conclusion The epidemical influenza virus in Chenzhou in 2006 was A(H1N1) subtype and B subtype no A(H3N2) was found. 結(jié)論2006年湖南省郴州市流感流行株為A(H1N1)亞型，有B型存在，未檢測出A(H3N2)亞型。In this paper, a discrete stage-structured epidemical model is proposed and studied. 本文主要討論了離散的階段結(jié)構(gòu)傳染病模型。Conclusion The results showed the present status of epidemical diseases among farmers an... 結(jié)論結(jié)果初步描述了西藏地區(qū)農(nóng)牧民中鼻煙吸食的流行病學現(xiàn)狀。Results In the recent years, the epidemical intensity of mumps and the number of patients were remarkably reduce. 結(jié)果近幾年來，流行性腮腺炎流行的周期性和季節(jié)性已不明顯； 返回 epidemical