“超精密加工”的概念、定义、翻译、参考文献-科学参考

单词	超精密加工
释义	超精密加工 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	Historia Plantarum historical agricultural geography Historical and Comparative Linguistics Historical and Critical Dictionary historical and cultural preservation districts in China historical and cultural sites under government protection “four haves” historical and geographical changes of Chinese cities historical anthropology Historical Archives historical archives historical authenticity Historical Avant-garde historical bibliography science historical causality historical climate change historical climatology Historical-Clinical-Risk Management-20 historical cohort study historical comments Historical Compilation of Seawall Historical consciousness historical constructivism historical contingency historical database historical data of the Long March

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。