I have a pen friend, we have kept in touch with each other for many years, compare with the new high technology, such as cell phone and computer, I would rather to write.
我有一个笔友，我们已经保持联系很多年了，和新兴的高科技相比，比如电脑和手机，我更喜欢写信。
A stylus with touch screen has to replicate exactly what human would do with pen and paper.
带触摸屏的触控笔具有复制到底是什么人将与笔和纸做的。
Objective. A system for patient self-recording on a computer touch-screen was developed. The validity of this method compared with the use of regular paper-and-pen questionnaires was studied.
研究目的：设计一种可供患者通过电脑触摸屏自行填写的问卷系统，对比常规纸笔问卷的使用结果，并进一步分析通过这种新方法的效度。
Objective. A system for patient self-recording on a computer touch-screen was developed. The validity of this method compared with the use of regular paper-and-pen questionnaires was studied.
研究目的：设计一种可供患者通过电脑触摸屏自行填写的问卷系统，对比常规纸笔问卷的使用结果，并进一步分析通过这种新方法的效度。
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