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.
根據數碼渦旋多聯式空調系統小時能效比與小時平均供熱係數的實測數據，分析了該系統能耗變化規律。
