“ultra-precision machining”的概念、定义、翻译、参考文献-科学参考

单词	ultra-precision machining
释义	ultra-precision machining Encyclopedia 工学数字化制造释 ultra-precision machining超精密加工加工尺寸精度达到10纳米，表面粗糙度1纳米，加工的最小尺寸可达1微米的加工工艺。工学超精密加工释 ultra-precision machining超精密加工加工零件的尺寸或形状精度优于100纳米，表面粗糙度Ra小于20纳米的加工技术。
随便看	Al Tarf Altar of Land and Grai Altar of Land and GraltarAltar of Land and Grain Altar of Taisui altar of worship Altar Site of the Yihetuan Movement in Lvzu Tang altar site of the Yihetuan Movementin Lü's Ancestral Temple Altawabi Altay Diqu Altay Kekesu Wetland National Nature Reserve Altay Military Station Altay Mountains Rock Art Altay orogenic belt Altay Shanmai Altay sheep Altay Shi Altayskiy Kray Altay， Respublika altazimuth altazimuth mounting altazimuth reflector altazimuth telescope Alte Pinakothek alter alteration alteration and extension technology

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。