“primary standard of length”的概念、定义、翻译、参考文献-科学参考

单词	primary standard of length
释义	primary standard of length 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	sliding growth sliding installation of steel structure sliding isometric deformation sliding microtubule mechanism sliding mode control sliding mode guidance law sliding model sliding of embankment sliding of roadbed sliding optimal control sliding regime sliding scale sliding stop sliding-summation random process sliding system sliding valve sliding vane sliding vane compressor sliding-vane rotary vacuum pump sliding vector sliding venue sliding wear sliding weight sliding window sliding window protocol

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。