“national prototype of the kilogram”的概念、定义、翻译、参考文献-科学参考

单词	national prototype of the kilogram
释义	national prototype of the kilogram Encyclopedia 工学质量计量技术释 national prototype of the kilogram1千克质量基准砝码中国在1965年从国际计量局得到砝码器号是60号的国家千克原器。
随便看	A Study on the Origin of Genres of Chinese Opera A Study on Uyghur Language History Astérix satellite A₂B₇型超晶格合金 A subdwarf star A subgiant star A-submodule Asud Asuka Kiyomihara Ritsuryo Asuka Period asulam A-summable series A Summer at Grandpa’s Asuncion Port Asunción Asunción Insurrection A supergiant star A Supplementary Edition of A History of Chinese Drama a supplement to answers to questions of classics bibliography A Supplement to Materia Medica A Supplement to Recipes Worth A Thousand Gold A Supplement to the Collected Biographies of Painters Through the Ages A Supplement to the Garden of Painting by Wang Shizhen A Supplement to Writings on Painting A Survey of Classical Chinese Literature

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。