“北美防空协定”的概念、定义、翻译、参考文献-科学参考

单词	北美防空协定
释义	北美防空协定 Encyclopedia 历史学加拿大历史释 North American Air Defense Agreement《北美防空协定》加拿大与美国于1957年8月1日公布、1958年5月12日正式签署的防空合作的协定。
随便看	defects in ceramics defects in growth sector boundary defects in semiconductors compound defects of continuous casting slab or billet defects of oil and gas pipeline body defects of wood due to biological damage defect space defect state defect subgroup defect subspace defect theorem defence Defence Horizon Defence Meteorological Satellite Program satellite Defence of Poetry defence reflex Defence Support Program defender defender duke defender-general of the state defender-in-chief defending facts Defending Yenan Defend Jalainur Defend Our Land

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。