“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	virtual reality system virtual reality therapy virtual reality training system of mine virtual reality, VR virtual reality,VR virtual rebroadcasting technology virtual reference services virtual research and development alliance virtual research environment virtual research teams virtual restoration virtual router Virtual scene virtual screening virtual segment virtual server Virtual social risk virtual social value Virtual society virtual society virtual space virtual state Virtual stock virtual storage virtual studio system

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。