到1890年，尼古拉·特斯拉论证出电磁波本身也能传输电能，并且和磁场相比传输距离要长得多。
By the 1890s, Nikola Tesla had demonstrated that not just magnetic fields but also electromagnetic waves themselves could transmit power-and over far greater distances.
比起无线射频识别技术（RFID），电磁波传导技术更为安全，对大脑也没有损害，因为它的磁场比美国及其它国家所规定的强度还要低。
The tech is more secure than RFID and they even say it’s safe for our brains because “it’s under a certain limitation in the magnetic field, ” set by the U.S. and other national governments.
分析了低频电磁波在均匀介质中的磁场分布，其分布与介质的介电常数、磁导率密切相关。
Magnetic field distribution of low frequency electromagnetic wave in even medium is analyzed, which is related to the medium's dielectric coefficient and magnetic inductive capacity.
利用两种能够引导甚低频电磁波的导管模式，求得哨声导管中磁场和电流的分布。
By using two kinds of model of ducts in which the VLF electromagnetic waves are guided, we obtain the distributions of magnetic field and current in the whistler duets.
这是一个电磁场与电磁波课程的幻灯片。
零磁场实验表明传感器在地面接收的超低频电磁波来自地下地层等地质体的辐射。
The zero magnetic field experiment shows that the ULF received by instrument comes from the emission of underground object.
电磁场与电磁波的客观规律用麦克思韦方程组和其他一些数学表达式描述。
The electromagnetic field and the electromagnetic wave objective law describes with the Maxwell equation set and other mathematical expression.
微波与其它电磁波一样，是由互相垂直的电场与磁场组合而成。
Microwave, same as other electromagnetic wave, is a combination of vertical electrical wave and magnetic field.
从电磁场理论出发，推导出了电磁波以任意角入射时雷达吸波材料的反射系数公式。
The formulae of reflecting coefficient are derived from the theory of electromagnetic field for arbitrary incident electromagnetic wave to radar absorbing material.
“电磁场与电磁波”是电类专业一门重要的专业基础课。
Electromagnetic Field and Wave is a basic and important technique course.
微波加热技术是利用电磁波、电磁场等物理微弱能量对食品、农产品加工、贮藏进行处理的高效节能技术。
The microwave is an efficient processing technique that use of the weak energy such as electromagnetic wave, electromagnetism field etc in processing and storage of food and agricultural products.
本文详细地讨论了置于电磁场中的任意形状的完全导体对电磁波绕射的二维问题；
The two dimentional problems of the diffraction of the electromagnetic wave by a perfect arbitrary form conductor inbedded in the electromagnetic field are discussed in detail.
详细地分析了利用吉赫兹横电磁波室进行小体积受试设备（EUT）电磁场抗扰度测试的不确定度。
The uncertainty of electromagnetic field immunity test is particularly analyzed in this paper when it uses the GTEM for that small equipment under test(EUT).
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。
Electromagnetic fields and wave is an important basic technical course for Electronic information major.
计算机是靠高频脉冲电路工作的，由于电磁场的变化，必然要向外辐射电磁波。
Due to the change in electromagnetic field, computers unavoidably will radiate electromagnetic waves, which will carry the information in the computers.
时变电磁场与马克思威尔方程式、电磁波、电磁辐射特性（发射，吸收及散射）。
Time-dependent electromagnetic fields and Maxwell's equations. Electromagnetic waves, emission, absorption, and scattering of radiation.
电磁场也能引发荷电粒子的运动，这就是一定距离以外发射器传来的电磁波在传过接收装置天线时的情况。
An electromagnetic field can also induce motion in charged panicles, which is what happens when the electromagnetic field of a distant transmitter moves past the antenna of receiving set.
吉尔称由于电能以电磁波的方式经过空气传输，这和地球的电磁场类似，所以对人类不会形成危害。
Because electricity moves through the air as magnetic waves that are similar to the earth's magnetic waves, it poses no harm to humans, says Giler.
根据电磁场在包层边界应满足的基本关系，建立了描述其带隙结构的特征方程，给出了特征方程迭代求解的算法描述，为电磁波传播特性数值仿真分析提供了理论基础。
With the boundary conditions satisfied by the electromagnetic fields in the interface between the crystal and the clad, the characteristic equation to describe the band gap structure is deduced.
平面电磁波作为一种理想的电磁波型，其在均匀介质中的传播特性分析是电磁场理论基础教学的核心内容。
The basic relation equations connecting electric field and magnetic field in a plane electromagnetic wave are simply derived, and the characteristics of the electromagnetic wave are discussed.
电磁场与电磁波是电子通信类专业的本科生的必修科目，其抽象难懂。
Electromagnetism field and Electromagnetism wave is a compulsory course for communication major students. It is different.
电磁场与电磁波是电子通信类专业的本科生的必修科目，其抽象难懂。
Electromagnetism field and Electromagnetism wave is a compulsory course for communication major students. It is different.
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