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1、单击此处编辑主标题单击此处编辑主标题单击此处编辑副标题单击此处编辑副标题单击此处编辑标题单击此处编辑标题正文部分样例A正文部分样例B正文部分样例C正文部分样例D正文部分样例I正文部分样例II正文部分样例III单击此处编辑标题单击此处编辑标题正文部分样例A正文部分样例B正文部分样例C正文部分样例D正文部分样例I正文部分样例II正文部分样例III正文标题正文标题第一级第二级 第三级第四级第五级正文标题正文标题第一级第二级 第三级第四级第五级样例文本样例文本AGemmi Cong 精美PPT模板尽在如下豆单欢迎大家欣赏和下载样例文本样例文本AGemmi Cong 精美PPT模板尽在如下豆单欢迎大家欣
2、赏和下载样例文本样例文本BOther rappers take a less critical approach to urbanity, sometimes even embracing such aspects as crime. Schoolly D was the first notable MC to rap about crime.55 Early on KRS-One was accused of celebrating crime and a hedonistic lifestyle, but after the death of his DJ, Scott La Rock,
3、KRS-One went on to speak out against violence in hip hop and has spent the majority of his career condemning violence and writing on issues of race and class. Ice-T was one of the first rappers to call himself a playa and discuss guns on record, but his theme tune to the 1987 film Colors contained w
4、arnings against joining gangs. Gangsta rap, made popular largely because of N.W.A, brought rapping about crime and the gangster lifestyle into the musical mainstream.Materialism has also been a popular topic in hip-hop since at least the early 1990s, with rappers boasting about their own wealth and
5、possessions, and name-dropping specific brands: liquor brands Cristal and Rmy Martin, car manufacturers Bentley and Mercedes-Benz and clothing brands Gucci and Versace have all been popular subjects for rappers.样例文本样例文本BOther rappers take a less critical approach to urbanity, sometimes even embracin
6、g such aspects as crime. Schoolly D was the first notable MC to rap about crime.55 Early on KRS-One was accused of celebrating crime and a hedonistic lifestyle, but after the death of his DJ, Scott La Rock, KRS-One went on to speak out against violence in hip hop and has spent the majority of his ca
7、reer condemning violence and writing on issues of race and class. Ice-T was one of the first rappers to call himself a playa and discuss guns on record, but his theme tune to the 1987 film Colors contained warnings against joining gangs. Gangsta rap, made popular largely because of N.W.A, brought ra
8、pping about crime and the gangster lifestyle into the musical mainstream.Materialism has also been a popular topic in hip-hop since at least the early 1990s, with rappers boasting about their own wealth and possessions, and name-dropping specific brands: liquor brands Cristal and Rmy Martin, car man
9、ufacturers Bentley and Mercedes-Benz and clothing brands Gucci and Versace have all been popular subjects for rappers.样例文本样例文本C如果一台主机使用一个伪随机数生成器来计算报告延迟,主机自己的一个专用IP地址应该被用作生成的一部分,以避免多个主机产生同样延迟顺序的几率.一台主机应该确认一个收到的报告在其IP目的域和IGMP组地址域有同样的IP主机组地址,以确保该主机自己的报告不会被一个错误接收的报告取消.主机应当放弃除了主机成员关系查询(Host Membership Qu
10、ery)或主机成员关系报告(Host Membership Query)之外任何形式的IGMP消息.多播路由器定期发送查询以刷新当前特定网络上的成员信息.如果在一些查询之后没有收到一个特定组的报告,路由器就假定这个组没有本地成员并且他们不需要为本地网络上的组正向远程的多播.查询通常不是被频繁发送的(每分钟少于一次),以保持主机和网络上的IGMP额外开销很低.尽管如此,当一个多播路由器启动时,它也许会发出一些密集的查询以便于快速建立其对于本地成员关系的信息获取.当一台主机加入到一个新的组时,它应当立即对该组发送一个报告,而不是等待一个查询,以防它正好是网络上该组的第一个成员.为避免初始化报告丢失
11、和损坏,建议此报告在短延时后重复1到2次.一个简单的实现方法就是假设收到一个仅面向该组的查询,设置该组的随机报告延迟定时器.样例文本样例文本C如果一台主机使用一个伪随机数生成器来计算报告延迟,主机自己的一个专用IP地址应该被用作生成的一部分,以避免多个主机产生同样延迟顺序的几率.一台主机应该确认一个收到的报告在其IP目的域和IGMP组地址域有同样的IP主机组地址,以确保该主机自己的报告不会被一个错误接收的报告取消.主机应当放弃除了主机成员关系查询(Host Membership Query)或主机成员关系报告(Host Membership Query)之外任何形式的IGMP消息.多播路由器定
12、期发送查询以刷新当前特定网络上的成员信息.如果在一些查询之后没有收到一个特定组的报告,路由器就假定这个组没有本地成员并且他们不需要为本地网络上的组正向远程的多播.查询通常不是被频繁发送的(每分钟少于一次),以保持主机和网络上的IGMP额外开销很低.尽管如此,当一个多播路由器启动时,它也许会发出一些密集的查询以便于快速建立其对于本地成员关系的信息获取.当一台主机加入到一个新的组时,它应当立即对该组发送一个报告,而不是等待一个查询,以防它正好是网络上该组的第一个成员.为避免初始化报告丢失和损坏,建议此报告在短延时后重复1到2次.一个简单的实现方法就是假设收到一个仅面向该组的查询,设置该组的随机报告
13、延迟定时器.内内 容容 概概 览览标题标题1标题标题2标题标题3标题标题4标题标题5内内 容容 概概 览览标题标题1标题标题2标题标题3标题标题4标题标题5内内 容容 概概 览览第一节第一节第二节第二节第三节第三节第四节第四节第五节第五节内容内容内容内容公公 司司 发发 展展2003.10 OOO2003.10 OOO2003.10 OOO2000200120022003公司发展公司发展公司发展公司发展2001.10 YYY2001.10 YYY2001.10 YYY2002.10 ZZZ2002.10 ZZZ2002.10 ZZZ2000.01 XXX2000.01 XXX2000.01 X
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