1)dielectric loss constant,介电损耗常数2)coefficient of dielectrical loss,介电常数，介质损耗系数3)coefficient of dielectrical loss,介电常数;介质损耗系数4)low dielectric constant and loss,低介电常数和损耗5)dielectric constant ε,介电损耗因数6)dielectric loss factor,介电质损耗系数
用法和例句
At low temperature,dielectric constant ε(ε' ,ε'' ),dielectric loss tangent tgδis small at ω<104Hz or ω> Hz.