virtual set虚拟演播室virtualadj.实质的；【计】虚拟的Virtual ego in virtual space主观思维空间Virtual simulation machining仿真加工virtual electrical apparatus虚拟电器virtual examination database虚拟题库virtual simulation technique虚拟仿真技术virtual programming language虚拟程序设计语言virtual point-source model虚点源模式virtual addressing mechanism虚拟寻址机构virtual prototype technoolgy虚拟样机技术virtual economic coefficient虚拟经济系数