经过训练和仿真
After training and simulation
以上为机器翻译结果，长、整句建议使用 人工翻译 。
通过仿真发现：BP网络模型经过训练后，锯切功率和锯切力仿真值与实验值的误差在20%以内。
Through the simulation, the following conclusions can be drawn. Sawing power and sawing force could be simulated within 20% error by the BP model which was well-trained.
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