at its短语³⁵⁷³ 基本例句 语；积极地干；忙个不停；忙于工作；在工作；在从事某项活动；苦干 At its simplest, application virtualization is the abstraction of the application from its underlying application infrastructure resources, such as application servers and clusters. 简单地说，应用程序虚拟化是其底层应用程序基础架构资源比如应用程序服务器和集群的一个抽象。 ibm