“Monroe Doctrine”的概念、定义、翻译、参考文献-科学参考

单词	Monroe Doctrine
释义	Monroe Doctrine Encyclopedia 历史学国际关系史释 Monroe Doctrine门罗主义 1823年12月2日美国第5任总统J.门罗在国情咨文中提出的美国对外政策的原则。是美国对外扩张政策的重要标志。
随便看	positive definite operator positive definite potential positive definite product positive definite quadratic form positive definite scalar product positive definite sequence positive definite solution positive definite space positive definite tensor positive definte rational fanction positive deviation positive diffeomorphism positive diffeomorphisms positive differential positive direction positive displacement compressor positive displacement flowmeter positive displacement motor drill positive displacement pump positive displacement sensor positive distinctiveness positive distribution positive divisor positive divisorial ideal positive domain

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。