评判标准是预测打分和真实值之间的均方误差(RMSE)。
The evaluation criterion is the root mean squared error (RMSE) between predicted ratings and true ones.
经标准化处理后,在确定时变参数估值的基础上,建立了大修费用多层递阶预测模型,并成功地实现了大修费用预测。
The Multi?layer hierarchical recursion model for equipment overhaul cost forecasting is successfully established in overhaul cost prediction.
超声分别以肱动脉段收缩期峰值流速值(PSV)、收缩期加速度值(AC)、肱动脉段流速曲线形态异常为标准预测上肢动脉近端病变。
The stenosis in proximal upper extremity was predicted by values of peak systolic velocity (PSV), systolic acceleration (AC), and the abnormal waveforms from brachial artery.
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