求翻译：一卡通系统建设是智慧校园工程的重要组成部分，是集校务管理、公共服务为一体的新型智慧校园系统项目。校园卡是智慧校园应用中使用最多、最频繁的重要手段和介质之一，也是智慧校园建设的切入点，架构在校园网平台之上。基于RFID-SIM卡的一卡通系统，是一种新型的身份认证和移动支付业务系统。每个用户可以保留自己以前的手机号码，也不更换手机，只要更换一个新的RFID-SIM手机卡，不仅保留原有手机的通讯功能外，还可以使用手机在读卡设备上轻轻一挥，就可以实现小额消费、门禁、考勤等等扩展功能，成为真正意义上的手机一卡通。是什么意思？

One-card system is an important part of wisdom school project, is a school administration, public service into a campus of new intelligence system project. Campus card is the most used, most frequently in campus application wisdom of one of the important means and media, and wisdom through point of the campus construction, schema on top of the campus network. One-card system based on RFID-SIM card, authentication and is a new mobile payment system. Each user can keep your previous phone number, nor does it replace the mobile phone, as long as the replacement of a new RFID-SIM phone card not only retain their communications functions of the phone, you can also use the phones on the card reading device with a slight swing, can achieve the small consumer, access control, attendance and more extended functionality and become truly mobile e-card.