“Yang Jingyu”的概念、定义、翻译、参考文献-科学参考

单词	Yang Jingyu
释义	Yang Jingyu Encyclopedia 历史学政治1释 Yang Jingyu杨靖宇（1905-02～1940-02-23）中国抗日民族英雄，中共满洲省委、东北抗日联军的领导人之一。原名马尚德，字骥生。
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。