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 basic functionality of USB OHCI root hub is the foundation of the root hub design.

USB OHCI根集线器的基本功能是根集线器设计的基础。

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The 324i also has three USB 2.0 ports for a convenient USB hub to your computer.

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All of these are available now, if the heavy, pedestrian mouse and USB hub you currently own just won't do.

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Anyway, the FPD2185W also has a integrated Faroudja chip for enhanced video processing, a built-in 4 port USB hub, a 1000:1 contrast ratio, 178 degree viewing angle (both vertical and horizontal), and an 8ms pixel response time.

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