USA Structures

This feature layer contains structure (building) polygons for the states and territories of the U.S. This update is provided with improved feature quality, greater temporal relevancy, and/or more complete attribution, where available. The structures (buildings) are represented by polygon geometries with an attribute table described elsewhere in the metadata.

本功能层包含了美国各州和领地的建筑结构多边形。此次更新提供了更高的特征质量、更强的时效相关性以及/或更完备的属性信息（如有提供）。建筑结构通过多边形几何形状表示，其属性表在其他元数据部分有所描述。