By using the ship model and Ag/AgCl electric pole, the extremely low frequency electric field produced by corrosion current modulated by shaft rotation in sea water was measured in the laboratory.

• 文中利用船模和Ag/AgCl电极在实验室具体测量了螺旋桨转动时调制船模在海水中的腐蚀电流而产生的极低频电场。