virtual DCS虚拟DCSvirtualadj.实质的；【计】虚拟的virtual demonstration of physics experiments虚拟现实物理演示实验Virtual Environment Configurable Training Aid虚拟环境可配训练设备virtual reality geographic information system虚拟现实地理信息系统virtual exchange connection management method虚交换连接管理方法virtual research and development organization虚拟研发组织virtual specialized Internet controlling center虚拟专用网际网控中心virtual reality geographical information system虚拟现实地理信息系统virtual integrated communications access method虚拟综合通信存取法virtual multiple-input multiple-out-putal虚拟多输入多输出Virtual Gastrointestinal Endoscopic Biopsy Course胃肠道内镜活检虚拟教程