Based on the calculation of annual fixed expenditure and annual running cost, compares some heat and cold source schemes with annual current expenditure method.
用年经常费用法对几种冷热源方案的年固定费用和年运行费用进行了计算比较。
He argues that since the 737 is already so efficient in its current form, it may not be cost-effective for Boeing to make such a big capital expenditure to redesign the aircraft.
他认为737当今的机型已十分成熟,因此花费大量财力重新设计该机型对于波音来说并不一定划算。
Any expenditure assumed to benefit only the current accounting period.
是假定只对本会计期间有益的任何支出。
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