On the other handd the use of the different characteristics of the curve, such as the maximum investment, maximum profit, period of investment return and rate of return ete, can quantify the economic profit of the whole system.
英
美
- 另一方面利用曲線(xiàn)的各特征值,如最大投資額、最大盈利額、投資回收期以及盈利率等來(lái)定量地判斷系統的經(jīng)濟效益。
