relative permittivity的用法和样例：
例句
- Relative dielectric permittivity and loss angle tangent among them are the two of most important indexes.
相对介电常数和介质损耗角正切是其中的两个重要的性能指标。 - The transmission characteristic of microstructure is changed by corrected permittivity and TFM with metal roughness variety.
利用修正相对介电常数法和准静态法分析了微结构金属表面的粗糙度带来的结构传输特性的变化。
