医疗-放射诊疗许可证打印管理程序，采用derby数据库存放信息，用户可以自行对许可证信息进行管理，并生成许可证预览图片，加以打印。-medical program-radioactive treatment licence management, with derby DB, the user could user it to execute the licence info management, preview the licence pic which within info input,