名词
中文翻译：邮包字节
同义词：
['邮件数据，电子邮件数据例句：1. The post office has a large number of post bytes to handle the daily mail.（邮局有大量的邮包来处理日常邮件。）']
例句：
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1. The post office has a large number of post bytes to handle the daily mail.
邮局有大量的邮包来处理日常邮件。
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2.The email system uses post bytes to transmit data between computers.
电子邮件系统使用邮包字节在计算机之间传输数据。
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3.The post bytes in this email are encrypted for security reasons.
这个电子邮件中的邮包字节被加密以保障安全。