“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	double row scaffold doubler stage double salt double sampling double sampling inspection double scale double scaling limit double sculls of Summer Paralympics double semitrailer road train double sequence double sequential probability ratio test double series double series theorem double-shaped vase double shield rock tunnel boring machine double-shift school double sideband modulation and demodulation double sideband receiver double-sided calibrating sander double-sided disk double sided flat linear motor double-side moral hazard double-side punching double sign double sixes

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