“山药”的概念、定义、翻译、参考文献-科学参考

单词	山药
释义	山药 Encyclopedia 医学补气药释 common yam rhizome山药补气药。又称薯蓣、土薯、山薯蓣。始载于《神农本草经》。薯蓣科植物薯蓣（Dioscorea opposita）的干燥根茎。农学蔬菜释 yam山药薯蓣科薯蓣属一年生或多年生缠绕藤本植物的统称。又称薯蓣、白苕、脚板苕、山薯、大薯。
随便看	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 positive distribution positive divisor

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。