利用等比数列网格生成技术，三维弧长生成技术以及拼接技术生成计算网格。
The geometric progression technique and three dimension arc length technique are combined to form a new method.
在铝合金变极性穿孔焊接的工艺中，维弧对变极性电弧的行为有着重要影响。
In variable plasma arc welding of aluminum, the behavior of variable polarity plasma arc is effected by pilot arc.
采用高压维弧和弱高频稳弧，同时具有恒流特性，不受电网电压波动的影响。
Apply high voltage pilot arc and high frequency stable arc with constant current properties, prevent influence from unstable voltage of power grid.
铈钨电极没有放射性污染，属于绿色环保产品，它仅用很小的电流就可轻松起弧，而且维弧电流也较小。
Cerium-Tungsten Electrode is a nonradiative and green product . It can start performing arc with a low current .
该方案不仅克服了传统方案存在的主维弧干涉现象，而且可大大降低钨电极的烧损，提高焊接过程的稳定性。
This scheme not only eliminates the interference between main arc and pilot arc, but also reduces the deterioration of the tungsten electrode and improves the stability of welding process.
在三维立体电脑动画，我们可以使用软件的限制，迫使全部或部分的议案，内弧。
In three-dimensional computer animation we can use software constraints to force all or some of the motion within arcs.
针对埋弧焊多道焊的焊缝跟踪以及焊枪高度跟踪问题，设计了一种二维跟踪系统。
Regarding to submerged arc weld multi-pass weld track and height of weld gun, two-dimension track system is designed.
研究表明，溢流坝反弧段内流动存在着微弱的三维结构，流的三维性主要由侧壁边界层及表面棱形波造成。
This may be caused by the side wall boundary layer and prismatic wave on the surface of the flow.
为此，本文以弧面分度凸轮的轮廓面方程为基础，建立了弧面分度凸轮的三维模型，提出了一种用三坐标测量机测量其轮廓面误差的方法。
Therefore the author built a 3-d model based on the surface equations of roller gear CAM, and presented a method of using coordinate measuring machine (CMM) to measure the surfaces of the CAM.
综合本文以上研究结果可以发现，等离子体弧柔性成形技术不仅可以应用于板材的直线弯曲成形中，还可以应用于板材三维复杂曲面成形生产中。
In summary, it can be found that the flexible forming technology using plasma arc can be employed not only in linear bending but also in 3d complex curved surface forming for sheet metal.
积分方程法使埋弧炉三维磁场计算成为可能。
The integral equation method makes the calculation of 3d magnetic field in electric furnaces (EF) possible.
积分方程法使埋弧炉三维磁场计算成为可能。
The integral equation method makes the calculation of 3d magnetic field in electric furnaces (EF) possible.
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