Rate of energy efficiency的用法和樣例：
例句
- The rate of return this year is slightly better than that of past years.
今年的投效比往年略有起色。 - According to the experimental data of HEER and HHPF given in this paper, some analysis of the energy consumption of the DVM system is done.
根據數碼渦旋多聯(lián)式空調系統小時(shí)能效比與小時(shí)平均供熱系數的實(shí)測數據，分析了該系統能耗變化規律。
