The precision manufacturing technology always demands a good surface finish at low cost.
精密制造技术总是要求一个好的表面光洁度低成本。
In our country, the systemic study on precision manufacturing technology of microwave substrate has been vacant by now.
在国内，对铁氧体基片精密制造技术还没有进行系统的研究。
The latest developments in main areas of precision and ultra-precision manufacturing technology at home and abroad were introduced.
介绍了精密和超精密加工技术各主要领域国内外的最新进展。
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