修整一副肖像，在尽可能使模型肖像呈现最美姿态的同时，使其依然保持自然的样子，也颇具挑战。

Retouching a portrait in a way that makes the model looking the best way possible AND maintaining still a natural look, can be a bit of a challenge.

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利用回归分析，建立了成型修整加工刀具磨损率的数学模型。

The mathematic model of wear of cutter about molding finishing machining was founded by analysis of regression.

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优化模块是以最小化周期时间或以基于服从工件质量约束校正模型后的周期时间为目标来确定磨削和修整参数。

Optimization is used to identify grinding and dressing parameters to minimize or target cycle time based on the calibrated models subject to workpiece quality constraints.

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