“钐”的概念、定义、翻译、参考文献-科学参考

单词	钐
释义	钐 Encyclopedia 理学钐释 samarium钐化学元素。元素符号Sm，原子序数62，原子量150.36(2)，属周期系ⅢB族，稀土元素，镧系元素。 Astronomy 全称：samarium。缩写：Sm钐 Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 samarium钐
随便看	positive contribution Monte Carlo method positive control positive correlation positive crystal positive current positive curvature positive curvature manifold positive cycle positive definite positive definite bi linear form positive definite bi-linear form positive definite closed form positive definite form positive definite function positive definite functional positive definite Hermitian matrix 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

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。