This paper reviews the history of human computer interaction and discuss what is the ideal and natural human computer interaction mode.
本文简要回顾人机交互技术的历史，并进而探讨什么是理想、自然的人机交互模式。
As a mode of operation that mainly relies on human-computer interaction, how to improve its operational efficiency is a problem that commercial banks are researching deeply.
作为一种主要靠人机交互的经营方式，如何提高其业务推荐效率，是各家商业银行一直在深入研究的问题。
Study of finger pointing gesture is significant due to the fact that pointing gesture is an optimal mode in human computer interaction.
由于指势可作为理想人机交互模式，研究指势识别具有重要意义，其中手指分割是关键。
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