“直升机”的概念、定义、翻译、参考文献-科学参考

单词	直升机
释义	直升机 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	laser die cutting laser differential absorption laser diffraction measurement laser diode laser diode array laser diode pumped solid state laser laser direct deposition technology laser direct plate-making laser disc laser discharge laser display laser display device laser distance measuring system laser Doppler anemometer laser Doppler anemometry laser-Doppler anemometry laser Doppler blood flowmeter laser Doppler flowmeter laser Doppler microscope laser Doppler velocimeter laser Doppler velocimetry laser doppler velocimetry laser Doppler vibrometer laser drilling laser drilling technology

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。