“discount factor”的概念、定义、翻译、参考文献-科学参考

单词	discount factor
释义	discount factor [`dis´kau̇nt ´fak·tǝr] ^{PETROLEUM ENGINEERING} The ratio of the present worth of one or a series of future payments to the total undiscounted amount of such future payments. Also known as average discount factor; deferment factor; present- worth factor.
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