结果表明：锯齿形刀的切割力比光刀的切割力小；

The results showed that: serrated knife cutting force than the scalpel cutting force is small;

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在切割阶段，根据能量平衡方程建立了切割力模型；

The cutting force was modeled based on the energy balance.

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生产力是切割速度成本，不是每小时成本。

Productivity is cutting speed cost and not per hour cost.

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生产力是切割速度成本，不是每小时成本。

Productivity is cutting speed cost and not per hour cost.

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