GB/T 1409-2006
测量电气绝缘材料在工频、音频、高频(包括米波波长存内)下电容率和介质损耗因数的推荐方法
Recommended methods for the determination of the permittivity and dielectric dissipation fator of electrical insulating materials at power,audio and radio frequencies including meter wavelengths
GBT1409-2006, GB1409-2006