USB host controllers follow one of two standards: UHCI (Universal host controller Interface) or OHCI (Open host controller Interface).
usb主机控制器遵循两个标准之一：UHCI(通用主机控制器接口)或OHCI(开放式主机控制器接口)。
The basic functionality of USB OHCI root hub is the foundation of the root hub design.
USBOHCI根集线器的基本功能是根集线器设计的基础。
The basic functionality of USB OHCI root hub is the foundation of the root hub design.
USBOHCI根集线器的基本功能是根集线器设计的基础。
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