It discusses the use of RLO in course design and the building principle of its interior elements.This method presents a templet for course developer to building course based on learning object.

• 并深入讨论可重用学习对象(RLO)在课程设计中的运用以及内部元素构建原则,为课程设计开发人员提供一个基于学习对象的模板进行教学课程设计开发。