“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	forestry remote sensing forestry residual collector forestry residues forestry resource economics forestry resources data mining forestry science forestry sensor network forestry sociology forestry speciality survey forestry stakeholders forestry statistics forestry subsidized loans forestry sustainable development forestry systems engineering forestry technical economy forestry technology and economic results forestry thematic map forestry thought history forestry variety identification forests and environmental pollution forest seedling statistics index forest-shrubland-grassland faunal group of subtropical zone in China forest-shrubland-grassland faunal group of tropical zone in China forests in China forest sites

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。