virtual SAN虚拟SANvirtualadj.实质的；【计】虚拟的virtual segment structure虚段结构virtual switch technology虚交换技术virtual matrix encryption虚拟矩阵加密算法virtual ocean environment虚拟海洋环境virtual support subsystem虚拟支持子系统virtual storage transfers虚存储转移virtual terminal approach虚拟终端法virtual coordinate system虚拟坐标系virtual- work principle虚功原理virtual practice teaching虚拟实践教学