俄罗斯的航空设计师正在设计一种能供1000人乘坐的“公交”飞碟dié。这种“公交”飞碟底部装有一个气垫diàn系统,保证飞碟能在山地、水面等许多复杂zá的地形上垂直起降jiàng。科学家们经过研究发现,椭tuǒ圆形可以让飞行器在一定的体积条件下容纳nà更多的座位,能减少飞行 Russian aviation designers are designing a “bus” UFO dié for 1,000 people. This “public transport” UFO equipped with a cushion at the bottom diàn system to ensure that the flying saucer in the mountains, water and many other complex vertical zaz terrain on the landing. Scientists have found through research that oval tuǒ round shape allows the aircraft to accommodate more seats under certain volume conditions and reduce flight