通过理论推导和现场实验相结合，建立了新的轧制力模型。
On the basis of theoretic analysis and experiment, the new rolling force model has been developed.
通过理论推导和试验验证，证明了这种加工方法的可行性。
By means of theoretical deduction and experiments the feasibility of this method is proven.
通过理论推导与分析，得出损伤前后模态可能会跃迁的结论。
Through theoretical deduction and analysis, a conclusion of possible mode jumping is drawn.
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