定向: directional; orient; orienta ...控制: control; dominate; regulate; ...到: 39系统: system作业: school assignment定向控制到后台作业: directing control to background job定向控制到前台作业: directing control to foreground job大系统作业: large system job系统作业: system job系统作业名: system job name小系统作业: small system job操作系统作业控制程序: operating system job control program操作系统作业控制指令: operating system job control directive定向控制: directional control; orientation control无定向控制: astatic control重定向控制: redirecting control系统作业系统: system.capabilities.os系统作业查找: system job lookup系统作业队列: system job queue系统作业特性: system job feature系统作业通信: system job communication转储系统作业: unloading system job太阳定向控制: solar-pointing control推力定向控制: control of thrust orentation开放式系统作业: of code; open wire line