“papermulberry fruit”的概念、定义、翻译、参考文献-科学参考

单词	papermulberry fruit
释义	papermulberry fruit Encyclopedia 医学补血药释 papermulberry fruit楮实子补肝肾药。又称彀木子、纱纸树、构树子等。收录于《名医别录》。桑科植物构树（Broussonetia papyrifera）的干燥成熟果实。
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。