近些年来，随着电脑网络技术的发展与普及，“虚拟”已经成为一个使用频率很高的词汇，虚拟化也已经成为未来发展的趋势之一。也就是说，电脑网络作为一种以信息为劳动对象的生产工具，使过去许多必须通过面对面，或者必须通过面对实物才能获得信息的过程，以往要实地进行的物 In recent years, with the development and popularization of computer network technology, “virtual” has become a frequently used term, and virtualization has also become one of the trends of future development. In other words, as a production tool that uses information as a labor object, the computer network has enabled many things that had to be done on the ground in the past through face-to-face or through face-to-