词汇	vertical command system
释义	vertical command system 垂直指挥系统
随便看	northern slope of Qinling Mountains northern slope of Tianshan Mountain northern slope of Tianshan Mountains northern slope of Wusun Mountains northern slope zone northern slop of Tianshan Mountains Northern smooth-tailed tree shrew northern snakehead northern snakeheads Northern snow bedstraw northern snow bedstraws Northern Solomons Area northern universities northern university Northern Utah Satellite Northern Song Northern Song ci Northern Song Dynasty Northern Song Dynasty Political Power northern song ei Northern Song landscapes northern Songliao Basin Northern Song Tsa-chu Northern Sotho Northern Soul