virtual set虚拟演播室virtualadj.实质的；【计】虚拟的virtual digital oscillograph虚拟数字示波器Virtual digital oseilloseope虚拟示波器virtual prototype technology虚拟样机技术virtual learning environment虚拟学习环境virtual digital oscilloseope虚拟数字示波器virtual assembly environment虚拟装配环境Virtual Training Environment虚拟实训环境virtual storage architecture虚拟存储体系结构virtual velocities principle虚速度原理virtual lamina shell element预应力混凝土箱形连续梁桥