virtual device drive

基本解釋

The most straightforward method is to export a physical block device (a hard drive or partition) from dom0 directly to the guest domain as a virtual block device (VBD).
最常用的，最簡單的方法是以物理塊設備（一個硬盤或分區(qū)）做為虛擬系統(tǒng)的塊設備。
The gestures and positions of the hand in real world, which were tracked with the datatglove and motion tracking device, were used to drive the virtual hand in virtual environment.
通過數(shù)據(jù)手套與位置跟蹤設備的結合使用，得到現(xiàn)實世界中手的姿勢以及位置，并以此驅動虛擬世界中的虛擬手進行交互操作。