The results show that the average absolute value of relative errors between predictive and measured values of hardness is 5.90%, the prediction accuracies of adhesion and impact resistance are 100%.
结果表明：硬度预测值与实验值相对误差的绝对值的平均值为5.90%，附着力预测准确率为100%，耐冲击性预测准确率为100%。
The average value of absolute error is 2.05% and the biggest error is 5.12% in the model of loom efficiency. The results indicate that ANN model has high forecast precision.
对于织机效率模型，预报误差绝对值的平均为2.05%，最大误差为5.12%，可知模型具有较高的预报精度，人工神经网络对此模型的预报可行有效。
As the name suggests, the mean absolute error is an average of the absolute errors, where is the prediction and the true value.
顾名思义，平均绝对误差是绝对误差的平均值，其中fi是预测值而yi是实际值。
The practice indicated that the method possesses higher accuracy with absolute value 1.61% of the average residual percentage. The model may be suitable for the price establishment of small samples.
实践表明，这种方法具有较高精度，平均残差百分比绝对值为1.61%，适合小样本单价的建立。
The practice indicated that the method possesses higher accuracy with absolute value 1.61% of the average residual percentage. The model may be suitable for the price establishment of small samples.
实践表明，这种方法具有较高精度，平均残差百分比绝对值为1.61%，适合小样本单价的建立。
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