摘要：
云计算时下可谓风靡一时，正如Gartner咨询公司资深分析师Ben Pring所说："云计算已经成为大家津津乐道的话题"。但问题是每个人看起来似乎都有自己不同的定义。"云"是个大家熟悉的名词，但当它与"计算"相结合，它的含义就演变的泛泛而且虚无缥缈。一些分析师和厂商将云计算狭义的定义为效用计算(Utility computing)的升级版本：最基本的就是在网络范围内应用虚拟服务器。其他方面的应用也... 阅读全文
摘要：
Puams are large,cat-like animals which are found in America.When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London,they were not taken seriously.However,a... 阅读全文
摘要：
Puams are large,cat-like animals which are found in America.When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London,they were not taken seriously.However,a... 阅读全文