“Shangdu”的概念、定义、翻译、参考文献-科学参考

单词	Shangdu
释义	Shangdu Encyclopedia 理学上都释 Shangdu; Xanadu上都中国元朝的夏都。遗址位于今内蒙古自治区正蓝旗东20千米闪电河北岸。
随便看	positive clutch positive column positive complex positive component positive cone positive contrast positive contribution 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

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。