Virtual age虚拟工作时间virtualadj.实质的；【计】虚拟的virtual simulation environment虚拟仿真环境Virtual Network I/O Channel虚拟网络I／O通道virtual memory data clustering虚拟存储器数据分组Virtual point pairs estimation虚拟点对仿射估计virtual geographic environment虚拟地理环境virtual verification prototype虚拟验证原型virtual workstation controller虚拟工作站控制器Virtual Experiment environment虚拟实验环境virtual agricultural machinery虚拟农机virtual network interface card虚拟网卡