“原子频标”的概念、定义、翻译、参考文献-科学参考

单词	原子频标
释义	原子频标 Encyclopedia 理学〔原子物理应用〕释 atomic frequency standard原子频标当前最为准确和稳定的一大类频率标准的统称。是原子频率标准简称。 Physics ＞原子与分子物理学＞冷原子分子物理＞释义 atomic frequency standard原子频标 atomic frequency scale原子频标 Astronomy atomic frequency standard原子频标
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。