deteeting the ground point with low frequency electric current signal changing its frequency  低频信号变频探测

Electric Current Intensity  电流强度

electric current signal  电流信号

AC (alternating current) electric drive  交流电子传动

alternating current electric field  交流电场

alternating current electric propulsion apparatus  交流电力推进装置

alternating current electric propulsion system  交流电力推进系统

alternating electric current  交流电

alternating-current electric conductivity bathtub  交流导电浴盆效应

alternating-current electric conductivity bathtub effe ct  交流导电浴盆效应

Annular electric current of electron is supposed  电子环形电流假设

areic electric current  面积电流; 地理信息系统; 地理信息系统(GIS)

ashing electric current  灰化电流

automatic stabilizing electric current system  自动稳流系统

Automatic stable electric current  自动稳流

axial electric current  球面

Axis Electric Current  轴电流

balancing electric current  均流

beam carrying electric current  载流梁; 聚碳酸亚丙酯