Electromagnetic fields and wave is an important basic technical course for Electronic information major.
电磁场与电磁波课程是电子信息类相关专业一门重要的专业基础课。
That is because light is a form of electromagnetic radiation—in other words, a wave in which electric and magnetic fields continuously leapfrog each other.
那时因为光是以一种电磁辐射的形式存在的——换句话说，光就是一种波，在这种波里，电场与磁场不断地相互进行着交替作用。
Resultant Ni flakes might have potentials in the fields of catalysis, magnetic storage, shielding of electromagnetic interference and electromagnetic wave absorption.
得到的片状镍粉在催化、磁存储材料以及电磁屏蔽和电磁波吸收等领域具有潜在的应用价值。
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