百度对云计算的定义为：云计算（cloud computing）是基于互联网的相关服务的增加、使用和交付模式,通常涉及通过互联网来提供动态易扩展且经常是虚拟化的资源.机房列为重点安防监控单元.
The definition for cloud computing given by Baidu is as:
cloud computing is online dynamic, expandable and seemingly virtual resources based on internet related adding, using and releasing mode of service.

Computer room is listed as key security monitoring unit.