USB host controller is being used widely in the embedded system.

US B主控制器的嵌入式应用越来越广泛。

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Linux's usbcore kernel module supports usb host controllers and usb devices.

Linux的usbcore内核模块支持usb主机控制器和usb设备。

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A hub is at the center of each star, and the USB host is considered the root hub.

一个hub是每个星形的中心，usb主机被认为是root hub。

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The last item hints that the iPod photo may in fact have some sort of USB Host capability.

ENGADGET: iPod Camera Connector supports iPod photo only, media readers, and USB host?

Most of the changes to Honeycomb are happening under the hood -- better HTML5 support, faster performance, and USB host functionality for connecting peripherals like game controllers and mice -- but there are some improvements that will be a lot more obvious to the user.

ENGADGET: Android 3.1 on the Motorola Xoom: hands-on (video)

Rather than build a full media hub, ASUS appears to be crafting a possibly Roku-like dongle that would graft Google TV on to a host device through USB.

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