说明：  无线方式下的数据业务打包规范，中文翻译版！手边书，非常实用！看懂此文和相关的其它规范，就能在最深层次上理解WAP PUSH、短信承载等技术的原理。
(wireless data services under the packaging norms, the Chinese translation version! On hand, a very practical! Read this article and other relevant norms, we will be able to understand at a deeper level the most WAP PUSH, bearing messages such as technical principles.)