“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	breeding by backcrossing breeding by cell engineering in aquatic animal breeding by crop DNA marker-assisted selection breeding by distant hybridization breeding by selection breeding cycle breeding factor breeding-fire breeding for forage quality breeding for nutrient efficiency breeding for resistance to disease and insect breeding for stress tolerance breeding gilt house breeding ground breeding material breeding nursery of forage plants breeding objectives for forage plants breeding of allelopathic crop cultivars breeding of forage plants breeding of laboratory animal breeding of nuclear fuel breeding of synthetic cultivars for forage plants breeding pig breeding population breeding program

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。