“World Metrology Day”的概念、定义、翻译、参考文献-科学参考

单词	World Metrology Day
释义	World Metrology Day Encyclopedia 工学国际计量释 World Metrology Day世界计量日 1875年5月20日，法国等17个国家的代表在巴黎签署《米制公约》，成立了旨在协调国际计量和米制发展的国际计量组织。为纪念《米制公约》的签署，1999年10月第21届国际计量大会确定5月20日为世界计量日，并得到国际法制计量组织的认同。
随便看	director-choreographers in integrated musicals director circle director cone director curve direct organogenesis director-general of grain transport director-general of the Grand Canal director hammer percussion direct orientation director of a bureau Director of Archery Storehouse Director of Dragon director of editorial department director of general affairs director of imperial observatory director of teaching and learning Director of the Highest Rank Director of the Imperial Library director of the outer scene director plane direct or reversecirculation rotary drill directors and officers liability insurance Director's Assistant director's editing version Directors Guild of America

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。