请输入您要查询的字词:
单词
运输航空
释义
运输航空
Encyclopedia
工学
民用航空
释
air transportation
运输航空
利用航空器运送旅客、货物、行李或邮件等,进行经营性客货运输的航空活动。是现代社会综合交通体系中的重要组成部分,与铁路、公路、水运和管道运输共同组成国家交通运输系统。
随便看
Wild Flowers by the Road
Wild Flowers of China
wild fruit tree
Wild Geese and Reeds
Wild Geese Descending on the Sandbank
wild ginseng
wild goose
Wild Grass
Wild Grass Soceity
wild group
wild knot
wildlife allowed for commercial utilization
wildlife domestication and breeding center
wildlife management
wildlife monitoring
wildlife monitoring by line transect method
wildlife monitoring by point sampling method
wildlife monitoring by quadrat sampling method
wildlife park
wildlife picture index
Wildlife Protection Law of the People's Republic of China
wildlife rescue center
wildlife synchronous survey
wildlife tracing
wildlife with extremely small population
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2025/12/17 16:41:25