This paper mainly studied the structure and development of the tower simulator visual system from a practical viewpoint, and on the project example of Latvian Riga airport tower simulator.

本文主要从实践的角度研究塔台模拟器视景部分的构建与实现，关于它与主体控制模块的衔接也进行了一定分析，并以拉脱维亚里加机场为具体研究模型。

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Riga has a gleaming airport.

ECONOMIST: A survey of EU enlargement