“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	digesting tungsten ores by caustic soda autoclaving process digesting tungsten ores by soda sintering method digestion digestion and absorption of nutrients by ruminants digestion and absorption of nutrients in monogastric animals digestion experiment digestion in small intsetine digestion in the stomach digestion of Bayer process digestion of metaphor digestion of rumen digestion test in vitro digestion test in vivo digestive apparatus digestive formula digestive gland digestive juice digestive organ digestive system digestive system drug digestive system of horse digestive system of pig digestive system of poultry digestive system of the ruminents digestive tract

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