他写有关电磁的博士论文.He wrote his doctoral thesis on electromagnetism.电磁圈能有效的屏蔽和抑压电磁的干扰.Ferrite cores are effective in electromagnetic noise suppression and shielding.狭义相对论适用于电磁的相互作用.SR is valid in EM interaction....

“电磁的”的英语可以翻译为：electromagnetic ...