virtual bus虚拟总线virtualadj.实质的；【计】虚拟的virtual value of current sampling电流有效值采样virtual reference feedback tuning虚拟目标值反馈调整virtual laboratory network system网络虚拟实验系统virtual private dial-up network虚拟拨号专用网络virtual simulated training system虚拟仿真训练系统virtual partitioned access method虚拟分区存取法virtual control program interface虚拟控制程序接口virtual assembly process planning虚拟装配工艺规划virtual orientation of jaws model牙齿模型虚拟对位virtual three axial creep testing三轴实验