On THD other hand, the moving axle starts and stops frequently.
另一方面，各运动轴启停频繁。
Methods the AAHJ was implanted in the hip Joint. It is similar with the hip in the structure, and has a same moving axle center.
方法辅助人工髋关节放置在关节内，与髋关节结构相仿，同轴心活动。
The paper features an attempt to find the optimal axle moving locus of cutting tools and geometric parameter, based on the surface features and by means of a computer simulate machining process.
根据被加工的曲面特征，通过计算机模拟其加工过程，来寻求最优的刀轴运动轨迹和刀具几何特征参数。
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