Virtual age虚拟工作时间virtualadj.实质的；【计】虚拟的virtual computing environment虚拟计算环境Virtual Experimental Platform虚拟实验平台virtual interactive interface可视化交互Virtual File Allocation Table虚拟文件分配表virtual storage access method虚拟存储奇取法Virtual Communications Driver虚拟通信驱动器virtual instrument technology虚拟仪器技术virtual human motion modeling小波变换virtual reality model builder虚拟现实建模工具virtual maintenance operation虚拟维修操作