In tests users have been able to punch in Numbers into a keypad projected onto their hands and write on a virtual "notepad" on a table.

在测试中，使用者能点击手掌上的投影键盘输入数字，并能在桌子上的虚拟笔记本上写字。

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The effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.

从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。

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For the simulation accuracy of springback problem in sheet metal forming, the effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.

针对板料成形回弹精度问题的数值模拟，从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。

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