After we training and testing water level forecasted model, the average coefficient of determination (R2) of water level at three hour later is 0.918, the root-mean square error (RMSE) is 0.319m.是什么意思_After we training and testing water level forecasted model, the average coefficient of determination (R2) of water level at three hour later is 0.918, the root-mean square error (RMSE) is 0.319m.在线翻译_英语_读音_用法_例句