建立了金属切削过程的二维颤振数学模型；
This Paper present a two-dimensional non-linear dynamic cutting model.
因此了解金属切削过程以充分利用它是重要的。
It is therefore important to understand the metal cutting process in order to make the best use of it.
金属切削过程是切削层金属的塑性变形和断裂过程。
Metal cutting is the process of plastic deformation and fracture.
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