基本解釋有漂浮項(xiàng)的隨機(jī)漫步詞組短語(yǔ)短語(yǔ)a random walk with drift 漂移的隨機(jī)遊走random walk with drift更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)有漂浮項(xiàng)的隨機(jī)漫步