中度组，除12个月时锥顶偏心距离、角膜散光值较配戴前无显著变化外，其他各项参数亦有明显降低，18个月时下降更为明显；

Of the moderate group: the above indexes, except for the apex decentration distance significantly decreased at 12 months and more evidently at 18 months.

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扭矩以推力与曲柄偏心距或旋转轴心至推力作用点的距离相乘计算。

Torque is calculated by multiplying the push by the crank offset, or the distance of the push from the rotating shaft.

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此外，由于用偏心权距离的方法来寻找邻域，所以无论是在方向方面，还是在缩放尺度方面，这一方法都会得到较好的效果。

Furthermore, we can get a well performance on both orientation and scale adaptive side, because we utilize the CAM weighted distance to search the neighborhood of a data point.

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