极小部分的入射的阿尔法粒子，发生大角度的偏转。
A tiny fraction of the incident alpha particles were deflected through large angles.
圆锥滚子轴承的负荷作用于轴承在某一个角度，即所谓的阿尔法对轴中心线的接触角，（参见下图）转移。
Taper Roller Bearings transfer the loads acting on the bearing at a certain angle, the so called alpha contact angle towards the shafts centre line, (see sketch below).
这一小部分，极少的阿尔法粒子，极小部分的入射阿尔法粒子，小部分的入射阿尔法粒子，以大角度偏转。
OK, so tiny fraction, tiny fraction of alphas, tiny fraction of incident alphas, tiny fraction of incident alphas deflected through large angles.
这一小部分，极少的阿尔法粒子，极小部分的入射阿尔法粒子，小部分的入射阿尔法粒子，以大角度偏转。
OK, so tiny fraction, tiny fraction of alphas, tiny fraction of incident alphas, tiny fraction of incident alphas deflected through large angles.
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