The paper studied the relative error which appear because of abbreviation for the model of crane load sway, the relative error equations are obtained too.
研究了起重机载荷摆振模型在简化过程中所产生的相对误差，得到了相对误差公式。
The root mean square relative error, mean absolute relative error and maximize absolute relative error of SVM model generalization performance are 1.06%, 0.96% and 1.16%, respectively.
对SVM多元非线性回归泛化性能进行测试，其均方根相对误差为1.06%，平均绝对相对误差为0.96%，最大绝对相对误差为1.16%。
The results indicate that the relative monitoring error is about 10%, and the relative risk forecasting error is about 20%.
从近年在河北省冬麦区土壤水分的监测预测结果来看，监测相对误差在10%左右，风险预测相对误差在20%左右。
The larger the transmission pressure, the bigger the pressure relative error; the bigger mass flow rate, the bigger the relative error; the longer the pipeline, the bigger the relative error.
并且，管径最大的管道压降的相对误差最大，并且压降的相对误差将随输送压力的减小而减小，流量的增大而增大，长度的增加而增大。
Coefficient determination, absolute bias, relative absolute bias, root mean square error and relative root mean square error were employed to evaluate the precision of different model systems.
采用确定系数、绝对误差、相对绝对误差、均方根误差、相对均方根误差等模型评价指标对不同模型系统的精度进行比较分析。
As for the corrected models, the maximal relative error, the average relative error, the accumulate flow error are 5.93%, 0.93%, 0.13% respectively.
对该模型进行修正后得到气相流量最大相对误差5.93%，平均相对误差0.93%，累计流量相对误差0.13%。
Experiment shows that the average relative error of predicted results is 10.316% and the relative standard error is 12.895%, thus it satisfying requirements of the engineering.
实验结果表明，模型预测结果的平均相对误差为10.316%，相对标准差为12.895%，满足工程实际要求。
The results of simulation indicated that, the biggest relative error was 1.3%, and the average relative error was 0.7%. So this model could reflect the change trend exactly, …
仿真结果表明，该模型的最大相对误差为1.3%，平均相对误差为0.7%，可以较准确地反映冰铜温度的变化趋势，为生产操作提供有益的指导。
The results of simulation indicated that, the biggest relative error was 1.3%, and the average relative error was 0.7%. So this model could reflect the change trend exactly, …
仿真结果表明，该模型的最大相对误差为1.3%，平均相对误差为0.7%，可以较准确地反映冰铜温度的变化趋势，为生产操作提供有益的指导。
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