“杉叶藻”的概念、定义、翻译、参考文献-科学参考

单词	杉叶藻
释义	杉叶藻 Encyclopedia 理学被子植物释 mare's tail杉叶藻被子植物真双子叶植物唇形目车前科杉叶藻属的一种。
随便看	positive self-regard positive semi-definite positive semi-definite form positive semi definite Hermitian matrix positive semi-definite Hermitian matrix positive semi-definite kernel positive semi definite matrix positive semi-definite matrix positive semi-definite operator positive semi definite quadratic form positive semi-definite quadratic form positive semi-definite rational function positive semigroup positive semiorbit positive semi-trough positive sense positive sense single-stranded RNA virus positive sequence positive series positive side positive sidelight positive sign positive skewness positive solution positive species interaction

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。