hydroelectric power generation

例句：

1. 1. The hydroelectric power plant is located in the mountainous region.
   水力发电站位于山区。
2. 2. The hydro-generation process involves using water to generate electricity.
   水力发电过程涉及使用水来产生电力。
3. 3. The hydro-power generation technology has greatly improved the efficiency of renewable energy sources.
   水力发电技术大大提高了可再生能源的效率。