在此基础上提出了基于J2EE建立新型的协同编著系统，最后给出系统模型。
On this basis, this paper puts forward creating new Co-authoring system on J2EE and gives a model in the end.
协同编著系统一般需要支持多人共同协作，因而需要有一个点到多点的群组通信平台的支持。
Considering that multi-people cooperation is necessary condition cooperative editor work, a group platform supporting one-multi communication is indispensable.
最后给出了基于RAM的协同编著系统应用框架，讨论了在下一步研究中仍需解决的若干问题。
Finally, by an example of Cooperative Edit System, the paper discusses the application framework of ram and some questions...
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