Each port is assigned a port ID. Port IDs are 16 bits long and consist of two parts: a 6-bit priority setting and a 10-bit port number.

每个端口指定了一个端口id，端口id长16位，由两部分组成，一个6位的优先值和一个10为的端口号。

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They are preparing to move badly needed water, food, and other life-saving supplies to priority areas in Port-au-Prince.

WHITEHOUSE: President Obama Updates Haitian Earthquake Relief Efforts | The White House