Like a serial port, each USB port on a computer is assigned a unique identification number (port id) by the USB controller.

像串行端口一样，计算机上每一个usb端口都由US b控制器指定了一个惟一的标识数字(端口id)。

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In this environment, you might want to always mount your USB stick at /media/myusbstick, regardless of which USB port you plug it in to.

在这种情况下，无论您将 U 盘插在哪个 USB 端口上，您总是要将它安装在 /media/myusbstick 上。

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For USB GPRS modems, a USB-to-serial converter typically converts the USB port into a virtual serial port so the rest of the system sees it as a serial device.

针对usb GPRS调制解调器而言，USB - to - serial转换器一般us b端口转换为虚拟串行端口，因此系统其他部分就会将它看作串行设备。

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The Spark's 39 Watt hour battery has both a high-powered USB port for tablets and a standard USB port for phones and other handheld electronics.

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There's also an HDMI port for outputting 1080p video to a TV, along with one full-size USB port, a mini-USB connector for syncing and updates, a power port and a micro-SD card slot, for adding up to 32 gigs of extra storage.

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Just as the name suggests, the device comes in the shape of a cube, with an IR receiver on the front side, a USB port on the right, and a bunch more on the back: HDMI-in, HDMI-out, another USB port, RJ-45 and IR-out.

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