“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	City Site of Beiting Protectorate City Site of Fes city site of Hun in Mongolia City Site of Qi State City Site of Tan State City Site of Timgad City Site of Ur City Site of Xue State city size city size distribution law city skyline city specifically designated state plan city square City-State of Ancient Greece city-states in Italy city strategical plan city studio/film studio city tree City Upon a Hill city visual corridor city visual image design city wall City Wall at Yongningzhou City Wall at Zhenyuan city waterlogging

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。