机械加工过程中出现的一种过量切削现象，通常因为刀具轨迹处理不当或者工艺编制不当等原因引起，通俗的说话就是加工的时候把不应该加工的位置切掉了。
网络释义专业释义
...过切；刀心轨迹 中图分类号：TG547 文献标识码：A 文章编号：1674-1161(2011)12-0010-04 [gap=5622]Key words ： tool radius ； compensation ； undercutting ； tool path ...
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overcut - 引用次数：5
It is shown that the proposed model can be used to generate contour-parallel tool path for NC machining of pocket with islands and non overcut or undercut occurs using Unigraphics Machining simulation module.
分析与验证结果表明,所提出的方法,能够可靠地生成多岛屿自由型复杂轮廓的环切刀具路径,在UG软件中的仿真结果显示加工过程无过切和欠切现象发生。
参考来源 - 复杂型腔数控环切加工轨迹的高效生成方法研究
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Cutting involves enzymes called restriction endonucleases or restriction enzymes, which I've already mentioned and they have names.
切割用到的酶叫限制性核酸内切酶,或限制性内切酶,我已经提到过了,而且它们都有名字
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Now if I put them in contact with one another, the plasmid that's been opened and fragments of the DNA - special fragments that I've produced with the same restriction enzyme, they'll have the same sticky ends, they will naturally hybridize with one another.
如果我让它们互相接触,已经切开的质粒和DNA片段--,这DNA片段是我已用同种限制性内切酶,处理过的特别片段,这两者会有相同的粘性末端,它们会自然地相互杂交
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