本规范定义了可扩展标记语言[Extensible Markup Language，XML] 紧凑的二进制表示方法。设计二进制X M L内容格式是为了减少X M L文档的传输量，使X M L数据能在窄带信道上得到更有效的利用。二进制X M L内容格式的使用示例请参阅[ W M L ]规范。-This specification defines the Extensible Markup Language [Extensible Markup Language, XML] compact binary representation. Design of binary XML content format is XML documents in order to reduce traffic, so that XML data in the narrowband channel be used more efficiently. Binary XML content format please refer to the use of sample [WML] specification.