WOSA/XFS 翻译版本 ，用于自助设备软件开发的手册，这个是汉化的版本，比较容易看懂。 后续的文件陆续上传(WOSA/XFS translation version, for self-help equipment software development manual, this is the finished version, easier to understand. Subsequent files are uploaded)

金融服务扩展（XFS）接口说明（3.10版）第一部分：应用程序编程接口（API）- 服务提供程序接口（SPI）；程序员参考。(Extensions for Financial Services (XFS) interface specification Part 1: Application Programming Interface (API) - Service Provider Interface (SPI); Programmer's Reference)