“Fang-Xian sect”的概念、定义、翻译、参考文献-科学参考

单词	Fang-Xian sect
释义	Fang-Xian sect Encyclopedia 哲学方仙道释 Fang-Xian sect方仙道战国中后期到秦汉时期流行于燕齐地区的方士群体统称。中国道教的前身。
随便看	positive real axis positive real control positive real function positive real number positive real part positive real system positive recurrent point positive recurrent state positive reinforcement positive relation positive result positive root positive root system positive rotation positive school of criminology positive selection positive self-adjoint operator 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

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。