下降( descent的名词复数 );沦落;下坡;血统
同义词:originextraction
同义词:line of descentlineagefiliation
同义词:declivityfalldeclinedeclinationdeclensiondownslope
同义词:lineagelineline of descentbloodlineblood linebloodpedigreeancestryoriginparentagestemmastock
gradient descent梯度下降
descent method n. 下降法
chinese descent中国血统;炎黄子孙
steepest descent method最速下降法;最陡下降法