The actual equipotential surface of the earth that corresponds to sea level is called the geoid .
相当海平面的地球实际等位面称为重力平面。
Application of lighting protection and equipotential grounding system .
防雷保护及等电位接地的探讨与应用。
Equipotential concept in lightning protection for telecommunication station .
浅议通信局(站)防雷接地中的等电位概念。
The report is about equipotential surface .
那份报导是有关於等位面的。
Propose a completed equipotential shielded high value resistance , which can effectively decrease humidity effect and electromagnetic ( em ) disturbance .