“郑州商城玉器”的概念、定义、翻译、参考文献-科学参考

单词	郑州商城玉器
释义	郑州商城玉器 Encyclopedia 历史学代表性器物释 jades from Shangcheng Site at Zhengzhou郑州商城玉器中国商代早中期玉石器。
随便看	closed-loop pressurization closed loop servo system closed loop supply chain closed-loop supply chain closed loop system closed loop test closed-loop test of flight control system closed-loop vector method closed magnet unit closed manifold closed mapping closed mixed-refrigerant cycle liquefaction process closed model Closed Mondays closed monoidal category closed morphism closed motor skill closed n-ball closed n-disk closed neighborhood closed neighbourhood closedness closedness of dictionary closed normal form closed n-sphere

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。