【摘要】 因特网的普及加快了远程教学的变革。本文主要介绍如何通过UML设计出具有高度可复用性、扩展性的远程教学系统 ,以适应远程教学发展快、变化快 ,设计出的系统不好维护的问题更多还原

【Abstract】 Distance education is developing quickly with the popularization of Internet. This article primarily introduces how to design the flexible distance education system to solve some problems that often happen with other designs.更多还原