The main methods used to reduce ELFE include electromagnetic field protection technology, driven shaft earthing system, drive shaft earthing system and electric field counteracting system.
电磁场防护结构工艺、被动轴接地系统、主动轴接地系统和电场抵消系统是目前降低舰船极低频电场的主要方法。
There are collective parameter method which is adopted in lightning protection rules, direct measurement method, electromagnetic field method and so on.
国内外对此的研究，主要有集中参数法(我国防雷规程采用)、直接测量法及电磁场法等方法。
Harm on humans health caused by power frequency electromagnetic field is given in detail, with reference on related materials of foreign countries. Corresponding protection measures are described.
参考国外相关资料，对工频电磁场给人体健康带来的危害进行了较为详细的介绍，并对相应的防范措施作了一些说明。
应用推荐