After analyzing diversified forecast models for the rate of penetration, the ROP forecast method with BP arithmetic theory of improved artificial nerve nets was taken to calculate the ROP during drilling.是什么意思_After analyzing diversified forecast models for the rate of penetration, the ROP forecast method with BP arithmetic theory of improved artificial nerve nets was taken to calculate the ROP during drilling.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句