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      多點觸摸技術指的是允許計算機用戶同時通過多個手指來控制圖形界面的一種技術,一般采用LLP、FTIR、光學觸摸屏、紅外觸摸屏、納米觸摸膜等技術實現基于投影機和液晶顯示設備的多點觸摸交互。

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