“1千克质量基准砝码”的概念、定义、翻译、参考文献-科学参考

单词	1千克质量基准砝码
释义	1千克质量基准砝码 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	Helly number Helly principle of selection Helly selection theorem Helly theorem Helly-type theorem Helmert Helmert-Pearson distribution Helmert，F.R. helmet helmet mounted display helmet mounted display, HMD helmet-mounted display system helmet-mounted sight helmet shell helmet straps helmet streamer helm graph Helmholtz helmholtz Helmholtz Association of German Research Centres Helmholtz capacitor model Helmholtz Center for Materials and Energy Helmholtz Centre for Heavy Ion Research Helmholtz Centre for Ocean Research Helmholtz coil

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。