1·Epidemic diseases are far less now.
现在流行病少多了。
2·Summer has a high incidence of epidemic diseases.
夏天是传染病的高发季节。
3·Malaria used to be one of the epidemic diseases in this area in summer.
疟疾曾是这个地区夏季的一种流行病之一。
4·In this paper, the establishment of the epidemic diseases models and controlling strategy are studied.
本文研究了传染病动力学模型的建立以及控制传染病策略两类问题。
5·Ancient China is a country characteristic of epidemic diseases and people s struggle against the diseases.
古代中国是个多疫病的国家，我国劳动人民与疫病进行了顽强的抗争。
6·We discuss the propagating process of epidemic diseases which makes people acquire strong immune abilities to them after recovering.
就患病治愈后有很长免疫期的一般传染病传播过程进行研究，建立了该类疾病传播过程的动态微分方程模型。
7·Aiming at the spread mechanism of a class of epidemic diseases similar to hepatitis b, an ordinary differential dynamical model is established.
针对类似乙肝的一类流行病的传播机制，建立较好的常微分动力模型。
8·Pandemic influenza and other emerging epidemic diseases present a major threat to life, economies and security in an increasingly globalized world.
大流行性流感和其它新出现的流行病对日益全球化的世界中的生命、经济和安全构成重大威胁。
9·Quarantine organs: It shall be responsible for inspection and prevention of diseases and epidemic diseases on trains and among train crew and passengers.
检疫机关：负责检查列车、车员、旅客病疫及有关病疫预防事项。
10·Objective to know the causes and epidemic factors for outbreaks of typhoid and paratyphoid fever at schools, to provide basis for the control of epidemic diseases.
目的了解学校发生伤寒、副伤寒重大疫情的原因及其流行因素，为控制疾病提供依据。