Transient electromagnetic fields excitated by a pulse of current which have very short duration and long cycle, have a wide frequency spectrum from direct current to microwave.
瞬态电磁场是持续时间很短而重复周期较长的电流脉冲在空间激励的辐射场,可包含从直流到微波的极宽频谱。
参考来源 - 多层圆柱面媒质中瞬变电磁理论及应用·2,447,543篇论文数据，部分数据来源于NoteExpress
Transient electromagnetic method increasingly has been applied in the fields of engineering, hydrology and metallic mineral exploration.
瞬变电磁法在工程、水文及金属矿产勘探等方面正日益得到广泛的应用。
Just everyone knows, the transient electromagnetic method as a geophysical prospecting means, already used widely in every fields of geophysical exploration.
众所周知，瞬变电磁法作为一种物探手法，已被广泛应用于地球物理勘探的各个领域。
Integrated fire control equipment meets the requirements of GB16806-1997. The test items include Electrical transient bursts, Electrostatic discharge, and Radiated electromagnetic fields.
消防联动控制设备应符合GB16806 - 1997标准的要求。检测项目有：静电放电；辐射电磁场；电快速瞬变脉冲群。
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