NASA spokesman Steve Cole said that was possible because the last track for the satellite included Canada, starting north of Seattle and then in a large arc north then south.
NASA发言人史蒂夫.科尔说，因为加拿大留下了卫星的最后轨迹，所以存在这样一种可能，就是从西雅图北部开始，然后以大弧形向北再向南。
From starting-up to stabilization of the arc, the electric current and voltage usually fluctuate acutely, which makes a great impact on other circuit components.
由电孤启动到正常工作这段时间，电网线路的电流电压波动性较大，往往给电路其它各元件造成强烈的冲击。
An ellipse is defined by its bounding rectangle; an arc is a portion of an ellipse defined by a starting Angle and a sweep Angle.
椭圆是由其边框定义的；弧是椭圆的一部分，由一个起始角和一个扫描角定义。
Also, the distribution of the oxide has the considerable impact on arc starting as well as arc stability.
氧化物的分布对起弧、电弧稳定性等均有重要影响。
Quality of arc starting and arc stopping shall be guaranteed.
在焊接中应确保起弧与收弧的质量。
New controlling technology make better performance of starting arc, it can choose the most comfortable electric arc by adjusting the electric arc force knob.
新的控制技术使引弧性能更好，可通过电弧力旋钮调节电弧的柔和性，选择您最舒服的电弧。
Welding hot staring arc adjustable, applicable for starting arc of different thickness of work piece. Thrust current can be regulated, suitable for various welding process requirement.
焊接热引弧可调，适用于不同板厚工件的焊接引弧。推力电流可调，适用于各种焊接工艺要求。
Aslo the paper has dealed with the mechanism of the hollow cathode vacuum arc discharge and analyzed the starting arc process according to the neutralizing theory of ionized gas.
根据电离气体中性化条件，初步探讨了在低气压下空心阴极电弧放电的引弧过程，分析了影响低气压下空心阴极电弧放电引弧电压的因。
General method and other new technologies of ore smelting electric arc furnace starting-up are introduced.
介绍了矿热炉开炉的一般方法和两种开炉新工艺。
A medium frequency pulsed starting arc unit, which consistS of a voltage dowble is introduced in this paper, and its working principle and parameter design are also analyzed.
介绍了一种用逆变方式和倍压整流方式构成的中频逆变式引弧器，并对其工作原理及参数设计进行了分析。
With independent regulation of the arc starting, welding, and arc ending current, and the arc ending time, it has good effects in welding of both thick and thin metal plate.
具有起始、焊接、收弧电流分别调节，焊接厚、薄板都具有良好的效果。
For decade of years, this machine was famous in quick arc-starting, less spatter, good weldment and cost saving.
十多年品牌，起弧快速、飞溅小、焊道美观、效率高。
Apply imported frequency converter, high frequency arc starting, high rate of success.
采用进口变频器件，高频引弧，成功率高。
The on-off character of the thyratron is advantageous to the arc-starting and arc-stabling of the welder.
晶闸管的通断特性，有利于焊机起弧、稳弧。
The volume of the unit is small and the weight is light and the starting arc is strong. The starting arc of not spark is realized.
试验表明该装置体积小、质量轻、引弧能力强，实现了无火花放电器引弧。
The volume of the unit is small and the weight is light and the starting arc is strong. The starting arc of not spark is realized.
试验表明该装置体积小、质量轻、引弧能力强，实现了无火花放电器引弧。
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