虽然因特网提供了基本的通讯服务，但是协议软件并不能初始化连接，或是接收来自远程计算机的连接请求。
Although an Internet system provides a basic communication service, the protocol software cannot initiate contact with, or accept contact from, a remote computer.
虽然因特网提供了基本的通讯服务，但是协议软件并不能初始化连接，或是接收来自远程计算机的连接请求。
Although an Internet system provides a basic communication service, the protocol software cannot initiate contact with, or accept contact from, a remote computer.
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