“加拿大航空史”的概念、定义、翻译、参考文献-科学参考

单词	加拿大航空史
释义	加拿大航空史 Encyclopedia 理学航空航天史释 history of Canada aerospace加拿大航空史加拿大航空航天事业发展历程。
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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。