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)。

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TCP further provides the port abstraction, which enables a host to open multiple TCP connections in parallel.

TCP 进一步提供了端口抽取功能，这使得主机可以并行地打开多个 TCP 连接。

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Knowing which ports are open on a host is an important first step for an attacker to deduce possible vulnerabilities to the target host.

知道主机上哪些端口是打开的，对于攻击者推断目标主机上可能存在的弱点是重要的第一步。

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For young college graduates, majoring in one of the biosciences can open a whole host of career possibilities.

VOA: standard.2009.11.25

But he also had the guts to host an open news conference under trying circumstances, facing all questions from a skeptical group of political reporters.

FORBES: Piling on Newt

ECoS is an open software platform that can host a range of third-party applications that provide intelligent distributed control services to utilities and their customers.

FORBES: Dark Grid: Electric Utilities Scramble to Get Smart

To close this gap, representatives from nine Federal agencies came together on January 18th, in conjunction with an array of White House-sponsored Inauguration events, to host an interagency Open House on STEM and Mentoring.

WHITEHOUSE: Celebrating Mentoring Month with Science and Engineering