external devices
外部设备
例句
1.The system is completely autonomous.It does not require any external devices or signal sources.
本系统为全自激系统，无需任何外部设置或信号源。
2.The external devices are typically network devices that offer HTTP compression as a feature.
外部设备通常是提供HTTP压缩特性的网络设备。
3.Complex digital system requires a high-speed interface for data exchanging with external devices.
而复杂的数字系统中需要一个与外部设备进行数据交换的高速接口。