“后石家河文化玉人头像”的概念、定义、翻译、参考文献-科学参考

单词	后石家河文化玉人头像
释义	后石家河文化玉人头像 Encyclopedia 历史学代表性器物释 Post-Shijiahe Culture head portrait of jade person后石家河文化玉人头像中国后石家河文化玉器。
随便看	saddle forging saddle function saddle-like surface saddle-node saddle node bifurcation saddle-node bifurcation saddle nose saddle point saddle point approximation saddle point game saddle point method saddle point of a function saddle point of a game saddle-point problem saddle point separatrix saddle point singularity saddle point theorem saddle-point type saddle polygon saddle region saddle sector saddle separatrix saddle set saddle-shaped saddle stitching

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。