“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	Pinus taiwanensis Evergreen Needleleaf Forest Pinus yunnanensis Evergreen Needleleaf Forest Pin Valley National Park p-invariant Pinwheel Galaxy Pinworm Pinyin coding Pinyin input Pinyin Spelling Rules of Place Names in China（Section of Chinese Place Names）No.17 File in 1984 of Chinese Place Names Committee PIN二极管 PIN光电二极管 Pi_n形式 p-i-n结 pin结 pion pion atom pion condensation pion decay Pioneer pioneer Pioneer-0 probe Pioneer 10/11 Pioneer-10 Probe Pioneer Bookstore Pioneering High Energy Nuclear Interaction experiment

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