According to the function of the different process in process Pair, the model is divided into Agent Transfer Layer and User Interface Layer.

根据进程对中不同进程的功能，模型分为代理传输层和用户接口层。

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The mail transfer agent receives the messages from another mail transfer agent, a mail user agent, or a mail submission agent.

邮件传输代理从另一个邮件传输代理、邮件用户代理或邮件提交代理处接收消息。

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The shares are sold by the companies themselves, and Loyal3 acts as transfer agent.

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No need for a bank account, a computer, or even a trip downtown to dodgy money transfer agent locations.

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Records held by Pegasus' transfer agent indicated there may be as many as 30 million more shares out there than it has on record.

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