MIME是电子邮件协议的一个扩展，它允许其他类型的数据在互联网上传送，就像视频、音频以及图片和应用程序。
MIME is an extension of the E-mail protocol, to allow other types of data to be exchanged over the Internet, such as video, images, and applications.
通过添加DIINTAS1和普通文本电子邮件扩展了协议支持。
The protocol support has been extended with the addition of EDIINT AS1 and plain text E-mail.
本文对邮件系统的相关协议的扩展进行了探讨，并提出了一些建议。
This paper discusses the extension of the protocols pertinent to Mail System, and brings forward some advice.
本文对邮件系统的相关协议的扩展进行了探讨，并提出了一些建议。
This paper discusses the extension of the protocols pertinent to Mail System, and brings forward some advice.
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