Because some actual prices are zero or close to zero, traditional error index - mean absolute percentage error (MAPE) becomes unreasonable and a modified MAPE is adopted.是什么意思_Because some actual prices are zero or close to zero, traditional error index - mean absolute percentage error (MAPE) becomes unreasonable and a modified MAPE is adopted.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句