The gesture interface technology consists of gesture recognition, gesture design and implementation of gesture interface.

手势交互界面主要包括笔划识别技术，手势笔划集设计和手势交互界面实现技术。

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For the early part of my technology career, keyboards were the only user interface available.

我刚开始工作的时候，键盘是唯一的用户交互工具。

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For the early part of my technology career, keyboards were the only user interface available.

我刚开始工作的时候，键盘是唯一的用户交互工具。

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