Digital_Obstacle_File

Obstruction data for those man-made objects that affect aeronautical charting products and does not purport to indicate the presence of all obstructions that may be encountered.本数据集包含影响航空制图产品（aeronautical charting products）的人工物体的障碍物数据，且并非旨在表明所有可能遇到的障碍物均存在。