0 the amount of time it takes to get back the amount of money originally invested in something -- （投资）回收期
However, the table does give an indication of the total cost and the order of magnitude of the payback period.
Capital costs are higher and the payback period is longer, and the per unit costs of power are therefore generally greater.
Projected annual savings worth £18,500 will give a payback period of less than five years.
The building was also financed internally, with a target construction payback period of more than 60 years rather than the much shorter typical return projection.
The rest of the savings, perhaps just over half, require investments with a relatively short payback period.
The payback period will not comprise the short-term mortgage which students clearly rejected.
If the capitalization rate were 5%, the payback period would be twenty years.
The payback period and the high risk involved make asteroid mining a less competitive venture compared to terrestrial projects.
