而如果把外汇当成资产，就应该用资产收益率的连续复利计算方法来算一种货币兑其他货币的贬值（或升值）率。

If we regard the foreign exchange as an asset, we should use the continuous rate of returns to calculate the depreciation(or appreciation) percentage of the Renminbi.

youdao

利用连续复利原理计算商业信用成本率，并结合实际数据对现金折扣方案给出了定量化的技术经济评价。

This paper deduces a rate of the mercantile credit cost, and gives an quantitative evaluation of engineering economy by taking a practical example.

youdao