成層圏飛行船
1. Stratospheric airshipA stratospheric airship is a powered airship designed to fly at very high altitudes (30,000–70,000 ft or 10 – 20 km). Most designs are remote operated aircraft/unmanned aerial vehicles. To date none of these designs have received approval from the FAA to fly in U.S. airspace.
Read “Stratospheric airship” on English Wikipedia
Read “成層圏飛行船” on Japanese Wikipedia
Read “Stratospheric airship” on DBpedia
Read “Stratospheric airship” on English Wikipedia
Read “成層圏飛行船” on Japanese Wikipedia
Read “Stratospheric airship” on DBpedia
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