The real rate of return used in cost–benefit analysis by the UK government. The standard rate is 3.5 per cent per annum, though a lower rate is used for costs and benefits occurring more than 30 years into the future.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。