技术无尖端电流密度过大现象，在尖角或边缘突出部分没有过分的增厚，处理后不需要磨削加工。
Technology cutting-edgeis without the current large density phenomenon, there is not the excessive thickeningin the sharp corners or edges, it does not need the grinding after treatment.
锁钉尖端部分加工一段用于旋入髓内针锁孔中高分子材料柱体和骨皮质的外螺纹。
A tip part of the lock pin is provided with a section of external thread for screwing into the high polymer material column in the lock hole of the intramedullary nail and bone cortex.
八十年代的航空、航天以及超大规模集成电路等尖端技术之能够成为现实，无不与超精密加工发生紧密的联系。
In 1980 s, the reality of such most advanced technology as aeronautics, aerospace and the large-scale integrated-circuit is extremely related to the extra-accurate manufacturing.
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