Tanagram also hopes to have the server and client system operational as early as Q2 2011 as well as an open-source head-mounted display (HMD) client by the end of next year.
Tanagram还希望最早在2011年第二季度让服务器和客户端系统具有可操作性，并且在明年年底推出一个开源的头戴显示屏客户端。
The whole structure of the system is three layer construction, the head connecting into layer, the center application layer and the database support layer of back-end.
系统的整体架构为三层结构，前端接入层、中间应用层和后端数据库支持层。
Among them this paper elaborated on each sub-system within the head-end system, explained the flow of the whole head-end.
其中详细说明了前端系统中各个子系统的组成，并说明了整个前端的工作流程。
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