站在交互设计的角度，本文研究了笔式用户界面系统可用性设计的过程及其中运用的原理和方法等。
Standing on the point of interaction design, the paper studies the usability design of the PUI system and its theories and methods etc.
笔手势是笔式用户界面中的一种重要的交互方式。
Pen gesture is one of the most important interactive styles in Pen-based interface.
在手势交互方面，本文把它作为笔式界面环境下应用的主要交互手段。
In the research on gesture interaction, we use it as the main command interaction method under the pen user interface environment.
针对笔式三维建模技术的交互特征，提出一种隐式映射机制。
A kind of implicit mapping mechanism was proposed according to the characteristics of pen-based three-dimensional modeling technology.
提出一个桌面虚拟环境下的笔式三维交互框架，包含交互原语和交互任务构造两个核心组件。
Including two main components for generating interaction primitives and interaction tasks, an architecture for pen-based 3D interaction in desktop virtual environment is proposed.
提出一个桌面虚拟环境下的笔式三维交互框架，包含交互原语和交互任务构造两个核心组件。
Including two main components for generating interaction primitives and interaction tasks, an architecture for pen-based 3D interaction in desktop virtual environment is proposed.
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