system low系统低级systemn.系统；体系；身体；制度System of secret voting无记名投票制度system status indicator系统状态指示器System Activity Monitor系统机能监控器systemtransfer function系统传输函数system development task系统开发任务systematized management系统化管理systematized techniques技术体系system library function系统库函数System Development Tool系统发展手段system of letter visits信访制度

1. Peripherals are real devices, such as graphics cards or disks controlled by controller chips on the system board or on cards plugged into it.
   外设是一些物理设备，比如说图象卡或者磁盘，它们受控于位于主板或者主板上插槽中的控制芯片。