resistivity against fire

例句：

1. 1. The material has a high resistivity, making it difficult to conduct electricity.
   这种材料具有高电阻率，难以导电。
2. 2. The scientist useda new method to measure theresistivity of the material.
   科学家使用一种新的方法来测量材料的电阻率。
3. 3. Theresistivity of the metal is affected byits temperature and pressure.
   金属的电阻率受其温度和压力的影响。