“air transportation”的概念、定义、翻译、参考文献-科学参考

单词	air transportation
释义	air transportation 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	river capture river cascade hydropower development river channel bed river channel bed form river channel self-adjustment river channel strengthening engineering river chart river closure river connectivity restoration river corridor river crossing and bridge equipment river deity temple river density river disconnection river-dominated delta river dynamics river ecosystem river engineering river environmental planning river erosion and deposition calculation river feeding river fishery environment river flood disaster river flood forecasting river flood routing calculation

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。