“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	archival repair-mounting technology archival repository archival repository management archival restoration techniques archival retention archival retrieval efficiency archival science Archival Science Teaching Advisory Board under the Ministry Education archival secrecy archival shelves archival standardization work archival statistics annual report system archival subject indexing archival subject retrieval language archival technology arrangement archival transfer Archival Undertaking in Contemporary China archival utilization system archival value appraisal method archival-writing restoration technology Archivaria Archive Buildings and Equipment archive compiling and research archive documents of August 1 Nanchang Uprising archive file directory

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。