基本解释[经济学]随即贴现因子英汉例句双语例句The actuarial formula of pure premium of the whole life insurance is discussed, as discount factor is random.在贴现因子为随机的条件下，给出终身寿险纯保费的精算公式。random discount factor更多例句专业释义经济学随即贴现因子