本文提出了构建界面系统的几个要素：人、事、界面与时空；并探讨了界面系统的演变过程，提出了从基于语

言的界面系统到基于图形的界面系统再到基于虚拟现实的界面系统这一演变过程。着重介绍了基于虚拟现实技术的人机

界面系统的特点，应用以及设计的思路。提出了在虚拟现实技术背景下，设计师需要关注用户的行为研究，关注界面系

统中的时空变化的观点。-In this article’s opinion,there are four elements in an interface system:user,affairs,interface and context.

The interface system has changed from text-based,graphic-based to virtual reality-based.The article described

the features of the virtual reality-based interface and the design strategy of the virtual reality-based interface.The

conclusion is that designer must pay attention to user’s behavior and the context of user’s affairs.