polymeric dielectric

例句：

1. 1. Thenew material is a polymeric dielectricwith excellent thermal conductivity.
   这种新材料是一种具有优良热传导性的聚合物绝缘体。
2. 2. Polymers are widely used in electronics andhave become an essential component of modern electronicdevices.
   聚合物在电子领域广泛应用，已成为现代电子设备不可或缺的组成部分。
3. 3. In the field ofoptics, polymeric dielectricsare used to create lenses and mirrorsthat can bend light without breaking it.
   在光学领域，聚合物绝缘体被用于制造透镜和反射镜，这些透镜和反射镜可以弯曲光线而不将其破坏。