基本解釋[經(jīng)濟(jì)學(xué)]風(fēng)險中性測度詞組短語短語Risk -neutral Esscher measure 風(fēng)險中性Esscher測度risk-neutral measure更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)風(fēng)險中性測度