In this case the backing beans also map model objects where the view can display them.

在这种情况下，backing beans也映射模型对象，其中视图可以显示它们。

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Geomorphologic information database, which is mainly used to memorize and manage the map and geomorphic objects, is an important section of X-2000 high-speed 3d terrain display system.

地理信息库是X - 2000高速三维地形显示系统的重要组成部分，主要对地图和地理实体进行存储和管理。

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