“长度计量基准”的概念、定义、翻译、参考文献-科学参考

单词	长度计量基准
释义	长度计量基准 Encyclopedia 工学米定义释 primary standard of length长度计量基准以现代科学技术所能达到的最高准确度保存和复现长度单位“米”的整套装备。
随便看	drainage pipe drainage pipe network drainage process drainage protection of pipelines drainage reception area drainage sluice drainage system drainage system fire fighting drainage system of hydropower station drainage system planning in irrigation district drainage system treatment equipment drainage therapy drainage tube drainage volume standard drainage water quality standards drain diffusion drain ditches in the field drain [electrode] drain electrode drainer draining of pipeline draining south and supplementation north method drain pump house and sump drain regulating valve drain valve instrument

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。