纵观以往的教学评测系统，缺乏综合分析、辅助决策的能力，并且对其历史积累的海量信息中隐藏知识的利用无能为力。
Most of the previous teaching systems are that have no ability of synthetic analysis, decision support, and the utilization of hidden knowledge from vast history information.
观察点设置问题是地形可视性分析中的一类重要问题，在空间信息辅助决策、电信、野生动物保护等领域有着广泛的应用。
The observer sitting problem is important in terrain visibility analysis and is widely used in spatial information aid decision, telecom, and animal protection and so on.
WAMAP加强了数据整合和实时分析功能，能够为调度人员提供高质量的电网实时动态信息和辅助决策信息。
WAMAP can strengthen the function of data integration and real line analysis, which offer the real time and supplementary decision information of power grid with high quality for dispatching people.
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