电磁辐射/ electromagnetic radiation // electromagnetic radiation /
能量以电磁波形式由源发射到空间或以电磁波形式在空间传播的现象。
广播电视发射台站电磁环境/ electromagnetic environment of radio and television transmitting stations /electromagnetic environment of radio and television transmitting stations
广播电视发射台站电磁环境以广播电视发射台站为电磁源的电场和磁场环境。