问题描述：
航空方面的一句英语,关于OBSTACLE FREE ZONE无障碍物,这句话我整部明白了,求大神帮忙翻译,谢谢!
OBSTACLE FREE ZONE− The OFZ is a three dimensional volume of airspacewhich protects for the transition of aircraft to and from the runway. The OFZ clearing standard precludes taxiing and parked airplanesand object penetrations, except for frangible NAVAID locations that are fixedby function.
OBSTACLE FREE ZONE− The OFZ is a three dimensional volume of airspacewhich protects for the transition of aircraft to and from the runway. The OFZ clearing standard precludes taxiing and parked airplanesand object penetrations, except for frangible NAVAID locations that are fixedby function.
问题解答：
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