其中的教训是，无法应对结构性突变的预测方法，会几乎无限次地失效。
The lesson is that a forecasting technique that cannot deal with structural breaks is a forecasting technique that can misfire almost indefinitely.
介绍了基于突变论的方法建立刀具磨损与破损失效寿命模型的可行性的研究结果。
The Paper Presents a feasible study of modeling on tool life for the failure modes of tool wear and fracture based on methods of catastrophe theory.
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