查询词典 arc

The min cut set is bottleneck of network. The arc in min cut set is bottleneck arc of network.

求一个网络最大通过量的问题，常常被归结为网络的最大流问题 [1～ 3] 。

In order to reveal the inherent relation and regularity of early time arc sound and arcing faults,an all-purpose test system for detecting faults arc has been set up.

在故障电弧伴生早期弧声频谱特性研究的基础上，提出基于小波包分解的早期弧声频带局部能量特征参数的快速提取方法。

The welding current can be adjusted remotelt.It is an ideal arc welder to replace a motor driven arc welding set.

它操作方便，可远距离调节焊接电流，是取代弧焊电动发电机组的理想焊接电源。

Arc furnace,it is put forward that an optimum heat distribution relationship exists between the reaction area and furnace charge area,in view of this,a simple smelting model of submerged?arc furnace is set up.

摘 要 从铁合金矿热炉内的等效电路及其热分布出发，提出冶炼过程中炉内反应区和炉料区之间存在着一个最佳的配热关系，由此而建立起铁合金矿热炉简单的熔炼模型。

The fault arc characteritie of EHV transmission lines is investigated, the fault arc EMTDC model is set up, and the result of simulation confirms to the result of experiment.

考虑到EHV电网故障带有电弧的特点，利用电力暂态信号小波分析方法的研究结果，首次提出基于小波分析的EHV输电线路单端量暂态保护机理和实现方案，该保护原理能够实时检测EHV电网线路故障，区分区内外故障。

Pure tungsten also provides good arc stability for AC sine wave welding, especially on aluminum and magnesium, but is not typically used for DC welding (it does not provide as strong of arc starts as thoriated or ceriated electrodes).

纯钨还提供良好的交流正弦波焊接电弧稳定，特别是对铝、镁、但并不是一般用于直流焊接(不提供强劲电弧或开始为thoriatedceriated电极)。

The cold state modelling test and theoretical analysis for arc tangent tertiary air determined the arc tangent degree of tertiary air.

对三次风反切进行冷态模化试验和理论分析，确定了三次风反切角度。

R1 o R1 Construct principle: The key in tangency principle is to find the center of the arc and the tangent position of the corresponding lines, line and arc, and arcs respectively.

作图原理圆弧连接作图的关键在于，找出连接弧的圆心位置及与两被连接线段连接处的切点位置。

Applying theories of numerical analysis and higher geometry, the corresponding mathematical model of stem line is established according to different stems. Whereby, the centers, radii of the arc and its tangent points with the water-line can be found and the curve of arc radius is thus determined. A general formula for expressing stem curved surface is introduced.

应用数值分析和计算几何理论，根据船体首部线型特点，建立首柱轮廓线数学模型；计算水线首圆弧圆心、半径和切点，确定首圆弧半径线；给出首部曲面的通用方程式。

All these results lay a foundation for the improvement of arc welding technology and arc waveform control.

分析结果可为改进焊接工艺和波形控制方法提供依据。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。