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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Multiple connections using the same TCP port.

使用同一个TCP端口的多个连接。

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When a client connects to a Web server, it's allowed to issue multiple requests over the same TCP connection, which reduces the latency associated with multiple connections.

一个客户机连接到Web服务器时，允许客户机通过同一个TCP连接发出多个请求，这减少了与多个连接相关的延迟。

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