dark conductivity

例句：

1. 1. The material has a high dark conductivity, which makes it suitable for use in electronic devices.
   这种材料具有高暗导电性，适用于电子器件。
2. 2.Dark conductivity is an important factor in determining the performance of semiconductors.
   暗导电性是决定半导体性能的重要因素。
3. 3. In order to improve the efficiency of solar cells, researchers are exploring ways to enhance the dark conductivity of materials.
   为了提高太阳能电池的效率，研究人员正在探索如何提高材料的暗导电性。