...ouch gestures, tabletop displays, public displays, field study. [gap=299]关键词直接触摸互动，多点触摸手势，桌面显示器，公共显示器，实地考察。
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Tabletop displays commercially available are the size of a coffee table.
商用版的桌面显示器有一张咖啡桌那么大。
Tabletop touch-operated displays are becoming popular with professionals in various fields, said Niklas Elmqvist, an assistant professor of electrical and computer engineering at Purdue University.
桌面触摸操控式的显示器正在许多领域的专业人员那里流行起来，普渡大学电子与计算机工程的助理教授尼克拉斯·埃里姆奎斯特(Niklas Elmq vist)说。
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