In addition, inside structure of ballast water tank is very complex, shield effect to protective current also becomes a key problem in cathodic protection design.
另外压载水舱内部结构复杂，“屏蔽效应”对保护电流分布的影响也成为阴极保护设计中的关键问题。
For the path of resulting in electromagnetic leakiness, the concrete method of structure design is stated about electromagnetic shield.
针对各种引起电磁泄露的途径，给出了具体的电磁屏蔽结构设计方案。
The design method of electromagnetic shield on electronic equipments is described from the Angle of structure.
从结构角度出发，阐述了电子设备电磁屏蔽的结构设计方法。
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