dielectric loss tangent

例句：

1. 1.The dielectric loss tangent of the insulation material is an important factor affecting its performance.
   绝缘材料的介电损耗正切是影响其性能的一个重要因素。
2. 2. In power systems, the dielectric loss tangent is a key parameter for assessing the reliability of the transmission lines.
   在电力系统中，介电损耗正切是评估输电线路可靠性的关键参数。
3. 3. The measurement of dielectric loss tangent can provide valuable information for the optimization of the insulation design.
   介电损耗正切的测量可以为绝缘设计的优化提供有价值的信息。