建筑物之间的空地将用作停车场和飞机着陆场。
Spaces between buildings would be dedicated to parking lots and landing fields.
月球返回再入着陆场不仅影响月一地返回转移和返回再入飞行，同时也影响整个月球飞行任务的规划和设计。
Lunar exploration mission reentry landing site affects not only the trans-Earth and reentry trajectories, but also the whole mission analysis and design.
其次，本文提出了一套图像处理算法，该算法能够较好地检测出着陆场地地平线和跑道的边缘线；
Secondly, an algorithm of image processing is introduced which can detect horizon of airfield and edges of runway commendably.
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