在计算机系统由硬件和软件环境为中心向以应用和数据为中心转变的形势下，计算机存储技术在概念和内涵上都发生了重大的改变。

Under the circumstances of the focus of computer changing from software and hardware environment to application and data, the concept of computer storage technology has completely changed, too.

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云计算以公开的标准和服务为基础，以互联网为中心，提供安全、快速、便捷的数据存储和网络计算服务。

Cloud computing, as an open standard, which is service-based and Internet-centric, provides safe, fast and convenient data storage and network computing services.

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