说明：  在线考试系统设计与关键技术研究.论述了在线考试系统的目标、体系结构与功能，探讨了在线考试系统中部分关键技术的实现方法
(online examination system design and key technology research. Exposition of the online examination system, Architecture and features on the online examination system part of the key technologies to achieve the method)