Then how USM works and how the ellipse trace of particle on the surface of stator forms are analyzed.
接着分析了超声波电动机的工作原理和定子表面质点椭圆运动的形成机理。
The relation between the displacement of closing up to punch and strain for each metal particle in deformation region had shown by following the deformation trace of particle.
在跟踪金属质点位移轨迹的基础上，揭示了毛坯变形区各质点贴模位移与应变间的关系，从而明确提出了圆锥形件的成形机理。
Chemical compositions varied significantly in different particle sizes, with trace elements obviously enriched in the least size.
不同粒径颗粒的化学分析结果表明，微量元素在细颗粒上有较高的富集。
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