“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	Qingzhou Buddhist stone sculptures QingZhou city Qingzhou Fangong Temple Tang Catalpa Qingzhou Luogu of gong and drum music in Shandong province Qingzhou Museum Qingzhou Scenic and Historic Area Qingzhou Shi Qingzhou Statues Qingzhou Wan Qing Zhu Qingzhuan tea Qingzhuo Qubiqinaila Pian Qing Zun Lu:Tales of the Song Dynasty Qing ’s prince Palace Qin Hailu Qin-Han literature Qin He Qin Hesheng Qinhuai He Qinhuai Qu Qinhuangdao Beidaihe Scenic and Historic Area Qinhuangdao Museum of Glass Qinhuangdao Sea Sports Playground Qinhuangdao Shanhaiguan Great Wall Museum Qinhuangdao-Shenyang High Speed Railway

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