“卫宁平原”的概念、定义、翻译、参考文献-科学参考

单词	卫宁平原
释义	卫宁平原 Encyclopedia 理学〔高原、盆地、平原、三角洲、草原、沙漠〕释 Weining pingyuan卫宁平原中国宁夏平原青铜峡以南的平原。
随便看	positive definite inner product axiom positive definite kernel positive definite matrix positive definiteness 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

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。