而细分作为一个优秀的几何造型工具，在弧长约束方面的研究也未多涉及。
However, subdivision as an excellent tool was not used in fields of geometric restriction.
为减小陶瓷板件切口宽度，提高切口质量，采用水箍和磁场对附加阳极等离子弧进行综合二次约束。
In order to reduce the kerf width and improve the kerf quality, the hydromagnetically confined plasma arc was used to cut engineering ceramic plates.
讨论了真空电弧沉积中弧源设计的有关问题，如电弧运行模式、电弧极性、点火方式、电弧的约束方式以及宏观粒子抑制方式等。
Several technical problems in arc source design, including arc mode, arc polarity, ignition mechanism and arc confinement and macroparticle reduction were discussed.
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