善辩
发表于 2025-3-28 17:21:45
10楼
痛苦一生
发表于 2025-3-28 19:50:00
Thermal Structure of the Earth,able energy includes geothermal energy and several forms of solar energy such as bio-energy (bio-fuel), hydroelectric, wind-energy, photovoltaic and solar-thermal energy. These sources of energy are converted to heat or electricity for utilization.