operating level短语¹⁴⁴⁹⁷²⁺² 基本例句 工作电平 A linear ARX model and a local neural network model, all estimated using the same data sampled at a certain operating level, are built for comparing their multi- step prediction performance. 采用相同的固定负荷数据分别建立了线性 ARX模型和局部神经网络模型并做多步预测比较； cnki