It does have one USB port for connectivity to the external device.

它也有一个US b端口为连接到外部设备。

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To reduce the number of accesses to the external device, a buffer is used.

使用缓冲是为减少对外部设备的访问次数。

youdao

In the late 1990s, there were trends in the external device designed to chip directly installed on the motherboard.

在90年代末，也有趋势要将外部设备设计成集成芯片，直接安装在主板上。

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Media which lives on a computer can be moved to a variety of mobile devices by dragging and dropping the files to a desktop folder which then drops copies on the external device over the web.

BBC: RELATED BBC SITES

There's a risk of infection around the surgical pins connected to the external fixation device.

CNN: Broken leg

First they were trying to gain room inside the iPhone 4 so that they could make it thinner and have a larger battery, and secondly, they were trying to get the antenna(s) outside of the device, just as you would by using an external antenna sticking out the top of the device.

FORBES: The iPhone 4 Antenna Unravelled