The concepts and backgrounds of BSP, BSP Ticket and BSP-ET are introduced, then system structure and processing flow of BSP-ET are illustrated, furthermore, its significance is summarized.
介绍了BSP、BS P客票及BSP电子客票的概念与背景，阐述了BSP电子客票的系统结构与处理流程，并总结了它的重要意义。
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