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(jiǎn)單的方法是以物理塊設(shè)備（一個(gè)硬盤或分區(qū)）做為虛擬系統(tǒng)的塊設(shè)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(shè)備的結(jié)合使用，得到現(xiàn)實(shí)世界中手的姿勢(shì)以及位置，并以此驅(qū)動(dòng)虛擬世界中的虛擬手進(jìn)行交互操作。