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人机接口是ＣＳＣＷ系统的重要组成部分，也是它的难点之一．本文针对ＣＳＣＷ系统中用户动作的协同特性，提出了一种协同人机接口结构模型ＫＣＨＣＩ，通过对用户动作的多层抽象和对动作结果的多层例化，实现多用户之间的多层次协同及感知，同时，以知识作为规范描述语言，不仅增强了接口的灵活性，提高了接口的协同效率，也方便了接口的开发．
Man-machine interface is an important part of CSCW system, but also one of its difficulties. In this paper, a collaborative human-machine interface architecture model KCHCI is proposed for the collaborative behavior of user actions in CSCW system. Through multi-layer abstraction of user actions and multi-layer instantiation of action results, multi-level collaboration among multiple users And perception. At the same time, using knowledge as a specification language not only enhances the flexibility of the interface, improves the efficiency of the interface, but also facilitates the development of the interface.