中文摘要：

传统的基于浏览器的网络学习环境在画面呈现、操作交互、信息更新等方面有一定局限性。基于富媒体技术架构的桌面学习环境具有强大、便捷的操作交互和信息交互功能，能整合多种媒体，实现桌面集成化、信息推送与更新、本地数据存储和离线操作等功能，开发简易，部署方便。凭借良好的系统架构和各种创新技术，桌面学习环境将改变信息资源组织形式，丰富学习支持服务工具和手段，增强学习者学习体验，提升学习活动的交互层次和水平，更大程度地满足学习者个性化学习需求。

英文摘要：

The traditional hrowser-based learning environment has limitations in image display, interactive operation and information update. But the rich-media-based desktop learning environment has powerful and convenient functions in operational interaction and information interaction. It can integrate various media, realize desktop integration, information push and update, and store and operate local data offline. It is also easy to develop and deploy. With its advanced system framework and various innovative techniques, desktop learning environment will alter the form of information resource organization, enrich tools and methods of learning support service, improve learners＇ study experience, upgrade the interaction level of learning activities, and better satisfy learners＇ needs for individualized learning.