Present value(PV) = discount factor * C1

现值（PV）= 贴现因子 * C1

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。

The grant element of 35.59% on the above credit facility was calculated using a differentiated discount factor of 5.91% value September 30th, 2011.

上述有关信贷机构的35.59%赠与比例(赠与率)是使用2011年九月三十日的数值为5.91%差异化贴现率(差异化折现因子)来计算。

What's more, a contrast of wave forces is given out on three-dimensional arch wall and straight wall, by which resulted the arch-wall's discount factor to straight wall.

对比了作用在三维连拱形墙模型和直墙模型的波浪力，得出连拱形墙面上波浪力对直墙消浪的折减系数。

Through the stochastic discount factor model, it is easy to understand some classical problems of modern finance, such as arbitrage pricing theory and risk neutral pricing, etc.

现代金融学的许多经典问题，如套利定价原理以及风险中性定价等都可以用随机折现因子模型理解，随机折现因子模型是资产定价模型的统一框架。