Virtual age虚拟工作时间virtualadj.实质的；【计】虚拟的virtual route sequence number虚拟路由序号virtual experiment laboratory虚拟实验室virtual effect electric field电场的有效作用virtual address memory window虚拟地址存储窗口virtual electronic technology虚拟电子技术Virtual-Reference-station虚拟参考站virtual experiment courseware虚拟实验课件virtual learning environments虚拟学习环境virtual route pacing response虚路由调步响应virtual polarization receiver虚拟极化接收