“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	Noether symmetry theorem Noether theorem Noether transformation theorem Noetherʹs theorem No Evil is Spared no-evolution galaxy model no existence and no nothing NOF no-fault liability for environmental damage "No Filial Piety" published and the ban on New Waves of Zhejiang magazine no-fly zone no free lunch theorem no-full irrigation/deficit irrigation nogaku Nogales Nogamī Yaeko no-ghost theorem no-go theorem No Great Mischief Noguchi Yakichi Noguchi Yonejiro, Yone Noguchi Noh no-hair theorem no-hair theorem for black hole no harm to the participants

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。