constant, dielectric造句

• In the process of preparing glass / mullite composite material , research on shrink rate , bending strength , dielectric constant , dielectric loss tangent , etc have been carried out . in the experiment , the thermal expand coefficient of samples is tested , and through sem , insides structure of sintered sample is studied , so the relationship of
  在制备玻璃/莫来石复合材料的过程中，我们研究了烧成后径向收缩率、试样的抗弯强度、介电常数、介质损耗及其影响因素，并测试了试样的热膨胀系数，通过sem观测烧成试样的内部结构情况，找出性能和结构之间的关系。