“Doctrine of American System”的概念、定义、翻译、参考文献-科学参考

单词	Doctrine of American System
释义	Doctrine of American System Encyclopedia 历史学美国历史释 Doctrine of American System美洲体系早期美国外交政策基本原则之一。基本设想是孤立抗衡欧洲、主导控制美洲。
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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。