“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	chicken wire structure chick rearing chick sexing identification table chicory Chicoutimi ChiCTR Chicxulub crater chi-disclination chi-distribution Chidi Tribe Chidong Hu chief administrative officer to manage river affairs chief author chief cell Chief Compliance Officer chief-composition series chief construction engineer chief data officer chief Democratic chief designer chief director chiefdom chief elder chief executive chief executive accountability system

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。