“直径计量标准”的概念、定义、翻译、参考文献-科学参考

单词	直径计量标准
释义	直径计量标准 Encyclopedia 工学直径计量技术释 diameter measurement standard直径计量标准用于直径标准器的校准和溯源，统一全国直径量值的国家计量标准。
随便看	low enriched uranium low enriched uranium (LEU) low enrichment ordinary water reactor lower abdomen lower approximate limit lower approximate value lower arithmetic lower asymptotic density lower atmosphere lower base lower body negative pressure lower Bohl exponent lower bound lower boundary lower boundary condition lower bounded lower bounded variable lower bound of a family lower bound of a function lower bound of an operator lower bound of a set lower bound on the minimum mean square error lower branch lower Burkill integral Lower Canada

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。