abbr. thrust-vector control system 推力矢量控制系统; television communications subsystem 电视通信子系统; TSO/VTAM common service area 分时操作/虚拟（远程）通信接入法公共服务区; TSO/VTAM common storage area 分时操作/虚拟（远程）通信接入法公共存储区