摘要
介绍了Xtras的概念、基本类型与作用,以及在Authorware多媒体课件制作中的安装与使用,讨论了Authorware多媒体课件中媒体类型与Xtras的对应关系。
This paper introduces the concept, basic type and function of Xtras, as well as the installation and use in Authorware multimedia courseware production. It also discusses the corresponding relation between meida types of Authorware multimedia courseware and Xtras.
