unit thermal conductance

例句：

1. 1.The unit thermal conductance of the material is crucial for its performance.
   该材料的单位热导率对其性能至关重要。
2. 2. The engineer used a new formula to improve the unit thermal conductance of the circuit.
   工程师使用一种新的公式来提高电路的单位热导率。
3. 3.The researcher found that the unit thermal conductance of the material could be improved by adding a small amount of nanoparticles.
   研究人员发现，通过添加少量纳米颗粒，可以改善材料的单位热导率。