“ancient history of machinery”的概念、定义、翻译、参考文献-科学参考

单词	ancient history of machinery
释义	ancient history of machinery Encyclopedia 工学﹝机械工程史﹞释 ancient history of machinery古代机械史 14～16世纪欧洲文艺复兴运动以前人类创造和使用机械的历史。
随便看	projective tensor projective test projective theorem projective theory of surfaces projective topology projective torsion projective torsion tensor projective tower projective transfer projective transformation projective transformation group projective unitary group projective variety projective vector projective zero projectivity projectivity condition projectivization projectized organization project legal person responsibility system project legal person system Project Lesson Learned Report Project Life Cycle Cost Project Life-Cycle Management project life cycle management

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。