短語詞組短語back -propagation neuralnetwork BP神經網(wǎng)絡adaptive back -propagation 自適應前餽網(wǎng)絡objective back -propagation 目標反傳generalized back -propagation 廣義誤差反傳Back -Propagation Algorithms 反傳算法improved back -propagation 改進的反曏傳播 返回 back-propagation