With the expanding of GIS application, multi-user concurrent operation becomes the basic demand for spatial data engine.
随着GIS应用的扩大，多用户并发操作成为空间数据引擎的基本要求。
2
The multi-party call terminal control method reduces the useroperation, improves the application efficiency, and can provide convenient operation and favorable experience for the user.
这种多方通话终端控制方法，减少了用户操作、提高了使用效率，能为用户提供便捷操作和良好的体验。
3
The self-developed user interface which adopts nontechnical language combining multi-language and multi-sorting modes assures convenient and flexible operation.