thermal energy density

例句：

1. 1. The thermal energy density of the solar panel is very high.
   太阳能板的热能密度非常高。
2. 2. The thermal energy density of the material can be used to determine its strength.
   这种材料的热能密度可以用来确定其强度。
3. 3. The thermal energy density of the fuel is a critical factor in determining its efficiency.
   燃料的热能密度是决定其效率的关键因素。