electrothermal energy conversion

例句：

1. 1.The new device converts electrical energy into mechanical energy efficiently.
   这款新设备高效地将电能转换为机械能。
2. 2. The solar panel is designed to convert sunlight into electricity.
   太阳能电池板设计成将阳光转换为电力。
3. 3.The research aims to improve the efficiency of thermal energy conversion.
   这项研究旨在提高热能转换的效率。