目录引言.11新型冠状病毒的传播分布........1.1数据米源.11.2数据分析.…12常见的传染病模型简介2.1SI模型...。42.2SIS模型....2.3SIR及SIRS模型........52.4SEIR模型.3基于SEIR模型的新型冠状...

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三、课题研究己具备的条件（包括主要仪器设备、软件和参考资料）进行了IAAS和PAAS平台的建设，根据OpenStack T版安装手册，对部分核心组件的部署进行详细讲解。在企业私有云的PAAS平台下进行部...

AbstractToday's life is not only about solving the problems of food andclothing,but also spiritual satisfaction.Games are one of people'sentertainment activities,so it can also bec...

DESIGN OF SHORT DISTANCE WIRELESSREAL-TIME VIDEO TRANSMISSION SYSTEMABSTRACTIn general sense,as long as the communication and informationtransmission via radio waves,and the transm...

AbstractIn recent years,the high-tech industry has developed rapidly,and a lot oftechnical products have been produced along with it.Brushless dc motor is thecore part of many tech...

杆的振动是影响BTA加工质量的重要因素。本文主要在现有理论研究的基础上，建立BTA深孔钻头数学模型，分析BTA的力学特性。BTA深孔钻的力学特性对其性能、寿命、加工质量等都有极其深远的影响。通...

西安石油大毕业设计（论文）任务书题目基于LEAD平台的常规电阻率测井方法与应用分析学生姓名宿潇月学号201505010423专业班级测控1503基于Lead测井综合应用平台，学习各种常规电阻率测井方法、仪...

AbstractThe world today is a modern information world.We can use existingtechnology to design some equiPMent that can detect the surroundingenvironment.which is the most direct and...

潍坊科技学院本科生毕业设计（论文）AbstractWith the progress of science and technology,electric rice cookers areconstantly updated.This design is mainly based on the current situati...