In the second round of French presidential election,39-year-old Emmanuel Macron defeated the far-right candidate Marine Le Pen and was elected President of France.This is a historic victory to France and all EU countr...In the second round of French presidential election,39-year-old Emmanuel Macron defeated the far-right candidate Marine Le Pen and was elected President of France.This is a historic victory to France and all EU countries.展开更多
The proportion of the favorable among voters to a nominee might change over times and depend on different factors for example: talent, reputation, party and even name order on election. The unobservable factors which ...The proportion of the favorable among voters to a nominee might change over times and depend on different factors for example: talent, reputation, party and even name order on election. The unobservable factors which might have minor impacts on the approval rate are modelized by random elements. The approval rate is initially described by the differential equation and then by the random differential equation including the above unobservable factors. We figure out the formula of the solution for the stochastic differential equation and simulate these solutions to identify the changes of the approval rate over time.展开更多
文章主要论述了基于B/S模式的网上选课系统的设计与实现方法。通过分析三层B/S结构的特点并结合教学的实际情况,文中提出了基于B/S结构网上选课系统的基本设计思想,简要介绍了系统各功能模块及数据库的设计,着重讨论了用ASP技术和SQL SE...文章主要论述了基于B/S模式的网上选课系统的设计与实现方法。通过分析三层B/S结构的特点并结合教学的实际情况,文中提出了基于B/S结构网上选课系统的基本设计思想,简要介绍了系统各功能模块及数据库的设计,着重讨论了用ASP技术和SQL SERVER 2000开发网上选课系统时的数据库访问技术和动态网页制作技术。通过使用该系统,学生可以方便地在校园网上进行网上选课。经过测试,基本实现了网上的选课、选课管理、选课查询等功能。展开更多
文摘In the second round of French presidential election,39-year-old Emmanuel Macron defeated the far-right candidate Marine Le Pen and was elected President of France.This is a historic victory to France and all EU countries.
文摘The proportion of the favorable among voters to a nominee might change over times and depend on different factors for example: talent, reputation, party and even name order on election. The unobservable factors which might have minor impacts on the approval rate are modelized by random elements. The approval rate is initially described by the differential equation and then by the random differential equation including the above unobservable factors. We figure out the formula of the solution for the stochastic differential equation and simulate these solutions to identify the changes of the approval rate over time.
文摘文章主要论述了基于B/S模式的网上选课系统的设计与实现方法。通过分析三层B/S结构的特点并结合教学的实际情况,文中提出了基于B/S结构网上选课系统的基本设计思想,简要介绍了系统各功能模块及数据库的设计,着重讨论了用ASP技术和SQL SERVER 2000开发网上选课系统时的数据库访问技术和动态网页制作技术。通过使用该系统,学生可以方便地在校园网上进行网上选课。经过测试,基本实现了网上的选课、选课管理、选课查询等功能。