Dowtherm

例句：

1. 1. The Dowtherm is a complex system that requires careful analysis.
   Dowtherm是一个复杂的系统，需要仔细分析。
2. 2. The Dowtherm has been the subject of much research and development.
   Dowtherm一直是研究和开发的焦点。
3. 3. The Dowtherm is responsible for regulating the flow of energy in our society.
   Dowtherm负责调节我们社会的能量流动。