“helicopter”的概念、定义、翻译、参考文献-科学参考

单词	helicopter
释义	helicopter Encyclopedia 工学直升机释 helicopter直升机以发动机驱动旋翼旋转作为升力和推进力来源，能垂直起落、悬停并能进行前飞、侧飞、后飞、定点回转等可控飞行的重于空气的航空器。
随便看	organo rare-earth-metal chemistry; organolanthanide chemistry organoselenium chemistry organoselenium (tellurium) chemistry organoselenium tellurium chemistry organosilicon chemistry organosilicon compound organosilicon polymer organosol organosulfur compound organosulfur fungicide organotin chemistry organotin fungicide organ pathology organ point organ primordium Organ Records / Documents Management organs ancillary appliance organs directly under Beijing Government organ senescence organ service system organ size(plant) organs'lead assumes overall responsibility organs of self-government of national autonomous areas of the People's Republic of China organs of the same system archive retention schedule Organs of the same type archive retention schedule

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