三间分布

结论朝阳市HFRS疫情的三间分布符合家鼠型HFRS的流行病学特征；

Conclusion The spatial , temporal and population distribution of HFRS was consistent with epidemiological characteristics of the disease .

目的调查河北省鼠疫自然疫源地人群F1抗体的三间分布情况和维持机制。

Objective To study the three-dimensional distribution and maintenance mechanisms of plague F1 antibody of healthy population in the plague natural foci of Hebei province .

目的了解吴川市Z村被红火蚁咬伤病例的患病率、三间分布、临床表现及其治疗情况，为预防控制提供科学依据。

Objective To study the morbidity rate , epidemical distribution , clinical symptoms and treatment of the cases bitten by red imported fire ants ( RIFA ), and to provide the scientific evidence for disease control and prevention .

方法通过三间分布调查、临床体征、核酸检测法、病毒分离、基因变异分析进行疫情研究。

Methods The epidemic situation was studied by describing the distributions of time , spot and population , clinical signs , nucleotide testing , virus isolation , and analysis on gene mutation .

方法观察茶毛虫孵化、幼虫龄期、化蛹、羽化的全世代生态特性，调查不同季节茶毛虫皮炎爆发的病因、影响因素及患者的三间分布。

Methods The characteristics of whole generation of tea euproctis pseudoconspersa , including hatching , life period of larva , pupation and eclosion were observed in the field and laboratory . The etiology , influencing factors , distribution of patients with dermatitis in 1999 and 2003 were analyzed .

三组间基因型分布与等位基因频率相比均无显著性差异。

No significant differences in AGT M235T genotypes and allelic frequencies among three groups .

病例组中症状表型（7类因子结构）在三种基因型间分布差异无显著性。

There were no significant differences of three genotypes distribution among symptom phenotypes of cases .