The main contents of this paper are model design of a virtual camera, property research to controlled movement, potential visible surface sets reduction and interactive rendering technology.

其内容涉及虚拟相机的概念设计，受控运动的特性研究，潜在可见表面集的缩减技术和交互式演示技术。

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The component tray represents components that do not otherwise provide a visible surface at design time and provides a way for users to access and set the properties of those components.

组件栏表示在设计时不另外提供可见表面的组件，并向用户提供访问和设置这些组件的属性的方法。

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One of the great usability benefits of this design is that the iWatch could sense body position and orient the focus of the visible surface towards the user.

FORBES: The iWatch As Snap Bracelet? Apple Just Got The Patent.