“直径标准器”的概念、定义、翻译、参考文献-科学参考

单词	直径标准器
释义	直径标准器 Encyclopedia 工学实物标准器释 diameter artefact直径标准器形状良好、直径量值稳定的圆柱形或球形实物标准器。用以定义、实现、保持、复现直径量值。
随便看	line of latitude line of longitude line of magnetic induction line of magnetization line of nodes line of position line of projection line of regression line of right ascension line of sight line-of-sight line-of-sight angle line-of-sight component line of sight guidance line of sight integral line of sight, LOS line-of-sight propagation line-of-sight radio wave propagation line-of-sight velocity line of singularity line of slope line of steepest slope line of stream line of striction line of support

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。