This paper introduces the trundle gray GM(1,1) model, which is improved from GM(1,1) model and has the best initial point and cuts down system errors.是什么意思_This paper introduces the trundle gray GM(1,1) model, which is improved from GM(1,1) model and has the best initial point and cuts down system errors.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句