自由空间导电系数
permissbility of free space
合成电场强度
total electric field strength
击穿电场强度
Brokendown electric field
径向电场强度
horizontal electric field strength
静电场强度
electrostatic field intensity
人体内部电场强度
human body internal electric field intensity
甚高频电场强度计
very high frequency field intensity meter
外加电场强度
applied potential gradient
相对电场强度
relative electric field strength
远距离电场强度计
long distance field intensity meter
工频电场强度
power frequency electric-field intensity