“民用航空运输发展史”的概念、定义、翻译、参考文献-科学参考

单词	民用航空运输发展史
释义	民用航空运输发展史 Encyclopedia 工学〔交通史〕释 history of air transportation 民用航空运输发展史使用飞机、直升机及其他航空器运送人员、货物、邮件等运输方式的发展历史。
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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。