此外，在焊接试验的基础上，进一步对双钨极氩弧焊降低电弧压力、减少焊接缺陷的机理进行了分析。
In addition, the mechanism of the T-TIG arc pressure reduction to make the sound weld formation was analyzed.
本文将4／6极和8／12极两种不同结构双凸极永磁电机进行详细比较，从而为该电机的优化设计进一步深入研究提供理论依据。
This paper will compare 8/12 DSPM with 4/6 DSPM in detail, and provide theoretic basis for design and research deeply of DSPM.
研究了单圈图、双圈图的反比度，给出了它们的上下界并得到达到最大最小值的极图，还进一步给出多圈图的上下界的一个猜想。
In this paper, inverse degree of unicyclic graphs and bicyclic graphs is discussed, and the extremal graphs that reach the upper and lower bounds are given.
研究了单圈图、双圈图的反比度，给出了它们的上下界并得到达到最大最小值的极图，还进一步给出多圈图的上下界的一个猜想。
In this paper, inverse degree of unicyclic graphs and bicyclic graphs is discussed, and the extremal graphs that reach the upper and lower bounds are given.
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