查询词典 epidemic

Chapter 4 focuses on the study of an age structured SEIRS epidemic model with a vaccination program in varying total population size.

第四章讨论了疾病影响总人口的死亡率和总人口规模变化情况下的年龄结构的SEIRS流行病模型。

We develop the classical SEIR and SEIRS epidemic models and win through the mixing impulsive conditions.

发展了经典的SEIR及SEIRS传染病模型，并克服了混合脉冲干扰条件带来的困难。

In Chapter 4, the influence of pulse vaccination, time delays and vertical transmission on SEIR and SEIRS epidemic models is investigated.

第四章研究脉冲免疫接种、时滞及垂直传染对SEIR及SEIRS流行病动力系统的影响。

In Section 4.1 and Section 4.2, delay SEIR and SEIRS epidemic disease models with vertical transmission and pulse vaccination are discussed, respectively.

第一节和第二节分别讨论了具有垂直传染和脉冲免疫的时滞SEIR及SEIRS传染病模型。

D. thesis contains two parts: Part one (contains Chapter 1-Chapter 4) establishes systematically the age-structured SEIR epidemic model, the SEIR model with vertical transmission of disease, the SEIR model with the loss of immunity and an age-dependent vaccination rate, and the SEIRS model with a vaccination program in varying total population size.

本文分两部分：第一部分（含前4章）首次系统地建立了年龄结构的SEIR流行病模型、带垂直传染的SEIR模型、带二次感染和接种疫苗的SEIR模型和总人口规模变化的SEIRS模型。

Methods Contrast and assay the content of fluorine in d rinking water and coal and main food in epidemic area.

目的 了解和掌握黔南地区地方性氟中毒的发生、发展及流行特征。

He provides a pen portrait of Aharon Farkash, a former head of Mossad who makes a powerful case for focusing on the vital few terrorist leaders (a move others call "targeted assassinations") rather than Israel's recent blunderbuss approach. The list could go on: wherever there is something interesting happening in the world, from Silicon Valley's entrepreneurial frenzy to sub-Saharan Africa's AIDS epidemic, the author seems to have talked to the most interesting people involved and thought about the most striking developments.

法卡斯的形象，这位摩萨德前任领导者推行了一种强有力的政策（此举被外界称为&定点清除&），只集中力量对付恐怖组织少数关键头目，而非像以色列近期那样鲁莽冒失；这张名单还可以继续开下去：从硅谷的创业热潮到撒哈拉以南非洲的艾滋泛滥，无论地球上哪一个角落发生了有趣的事情，拉莫先生似乎总是已经与最有趣的当事人进行过交流并且对最令人惊讶的发展有过思考。

He introduces the reader to Shigeru Miyamoto, the salaryman behind Super Mario Brothers and the Wii. He provides a pen portrait of Aharon Farkash, a former head of Mossad who makes a powerful case for focusing on the vital few terrorist leaders (a move others call "targeted assassinations") rather than Israel's recent blunderbuss approach. The list could go on: wherever there is something interesting happening in the world, from Silicon Valley's entrepreneurial frenzy to sub-Saharan Africa's AIDS epidemic, the author seems to have talked to the most interesting people involved and thought about the most striking developments.

他让读者们认识了超级马里奥兄弟与家用游戏主机Wii幕后的工薪族——宫本茂；他为人们描绘出阿哈龙·法卡斯的形象，这位摩萨德前任领导者推行了一种强有力的政策（此举被外界称为&定点清除&），只集中力量对付恐怖组织少数关键头目，而非像以色列近期那样鲁莽冒失；这张名单还可以继续开下去：从硅谷的创业热潮到撒哈拉以南非洲的艾滋泛滥，无论地球上哪一个角落发生了有趣的事情，拉莫先生似乎总是已经与最有趣的当事人进行过交流并且对最令人惊讶的发展有过思考。

The epidemic originated in Asia and was transmitted to Europeans in 1347 when a Turkic army Besieging a Genoese trading post in the Crimea catapulted plague-infested corpses into the town.

此种传染病起源于亚洲，1347年土耳其军队围困克里米亚的一个热那亚贸易商埠时，曾将带病尸体弹射入该镇。

The epidemic originate d in Asia and was transmitted to Europeans in 1347 when a Turkic army besieging a Genoese trading post in the Crimea catapulted plague-infested corpses into the town.

此种传染病起源于亚洲，1347年土耳其军队围困克里米亚的一个热那亚贸易商埠时，曾将带病尸体弹射入该镇。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。