“变性特征”的概念、定义、翻译、参考文献-科学参考

单词	变性特征
释义	变性特征 Encyclopedia 农学变性特征释 vertic features变性特征富含蒙皂石等膨胀性黏土矿物、高胀缩性黏质土壤在干湿交替条件下出现的开裂、翻转、扰动现象。是土壤系统分类中的一个诊断特性。
随便看	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 positive spinor positive staining positive strain energy positive strand positive subspace positive supportive reaction positive (symmetric) operator positive symmetric operator positive system of roots positive term

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。