本文结合DICOM中文定义的进展，介绍与之相关的技术背景知识。
Detailed progress and related technology background are introduced in this article.
免费的技术支持也可以以邮件列表或新闻讨论组的形式得到。然而，某种形式的背景研究、知识或经验常常是需要的。
Free technical support is often available in the form of mailing list or newsgroup discussions; nevertheless some background research, knowledge or experience is often required.
如果您尚不具备使用SSL的背景知识，那么这种技术则不是一个很好的入门。
If you do not have a background with SSL, though, our technique is not a good place to start.
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