分析了电子束有限截面以及各电子的螺旋轨道不共轴对这二个自生场的影响。本文的结果有助于弄清螺旋电子束与其他电子束相互作用时的平衡态情况。

And are analysed the influence on the two self-fields resulting from the finite cross-section of the beam and that resulting from the fact that the axes of the individual electrons don't coincide.

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截面分析结果显示，表面几十微米范围内，第二相减少，且随电子束轰击次数的增加，热影响区范围增大。

Result of cross section analysis showed that the second phase reduced within a range of several tens microns, and the depth of heat affected zone (HAZ) increased with the increment of pulses.

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