diacele

例句：

1. 1.The crystal has a dielectric constant of 2.5, which means it can be used to create lenses with high resolution.
   这种晶体的介电常数为2.5，这意味着它可以用于制作具有高分辨率的透镜。
2. 2. In the study of light, dielectric materials are important because they can change the direction oflight as it passes through them.
   在研究光的过程中，介电材料很重要，因为它们可以改变光线通过它们时的方向。
3. 3. The dielectric properties of a material can be determined by measuring its ability to store and release energy in response to an applied electric field.
   材料的介电性质可以通过测量其对应用电场的反应来测定其储存和释放能量的能力。