短語(yǔ)詞組用作名詞 (n.)動(dòng)詞+～claim descent 聲稱(chēng)是…的后代make descent 使…下降形容詞+～actual descent 真正的后代foreign descent 外國(guó)血統(tǒng)good descent 出身貴族vertical descent 垂直下降短語(yǔ)Steepest descent 最速下降法;最陡下降;[數(shù)][數(shù)]最速下降Chinese descent 中國(guó)血統(tǒng)lineal descent 直系血親stock descent 爐料的下降Dark Descent 深海末日;失憶癥黑暗后裔;暗黑血統(tǒng)descent phase 下降階段;下降段matrilineal descent 母系繼嗣prolonged descent 胎頭下降延緩protracted descent 胎頭下降停滯gradient descent 梯度下降descent method n . 下降法chinese descent 中國(guó)血統(tǒng)；炎黃子孫steepest descent method 最速下降法；最陡下降法 返回 descent