The seasonal distributions of EPI -target infectious diseases in Qingyuan City during 1972 to 1996 were analyzed by centralized indices.
试用集中度指标，对清远市1972-1996年发生的计划免疫相应传染病发病资料进行了季节性分布对比分析。
A meeting held last week at the Pasteur Institute in Paris heard how the next generation of drugs will target not the microbial agents of infectious illness but their human hosts.
Pasteur研究所上周在巴黎举行的一次会议上，人们提出了下一代的药物将不再把目标锁定为传染性疾病致病微生物本身而是他们的人类宿主。
The phone design's target population is the "lovers" . The design is simple and generous, full of infectious.
作为该手机设计方案的目标人群，设计简洁大方，富有感染力；
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