I now want to change to electromagnetic waves.
我想转到，电磁波的内容。
Now we will explain electromagnetic waves.
我们现在来解释电磁波。
Electromagnetic waves travel as fast as light.
电磁波传播的速度和光一样。
Every body radiates heat in the form of electromagnetic waves.
每一物体都以电磁波的形式辐射热。
The Organism is the most sensitive receiver of electromagnetic waves.
生物体是最敏感的电磁波接收者。
The main topic will be this phenomenon of electromagnetic waves produced by DNA in water.
这个科学研究主要是研究水中的DNA发射电磁波这一现象。
Astronomical research began to spread over the whole range of electromagnetic waves.
天文研究开始向整个电磁波谱范围延拓。
Electromagnetic waves travel with the speed of light, which is 300,000 kilometers per second.
电磁波，以光速传播，也就是30万公里，每秒。
Radar, light, and other electromagnetic waves transfer momentum and energy through space.
雷达、光和其它形式的电磁波将其动量和能量通过空间输送出去。
Anyone can broadcast electromagnetic waves and no one really owns the transmission medium.
任何人都能广播电磁波，实际上没有人拥有这种传播介质。
This paper deals with some problems involved in nonsinusoidal electromagnetic waves radiation.
本文讨论了非正弦电磁波辐射所面临的部分问题。
If the resistance is small, most of the energy is radiated in the form of electromagnetic waves.
如果这电阻很小，则大部分能量以电磁波形式辐射出去。
All bodies, no matter what their temperature, give off radiation in the form of electromagnetic waves.
一切物体，不论其温度高低，均要放出电磁波形式的辐射。
Static is caused by lightning or by certain electrical machines that give off electromagnetic waves.
静电噪音是由于闪电或某些发出电磁波的电器造成的。
The other exemplar that led to quantum mechanics was the study of electromagnetic waves such as light.
导致量子力学的其它范例就是诸如光的电磁波研究。
The reflection of electromagnetic waves from inhomogeneous medium with a special profile is investigated.
本文研究电磁波在一类特殊非均匀媒质中的反射问题。
The clock measures the passage of time in millionths of a second by counting the frequency of electromagnetic waves.
这种钟表通过电磁波的频率来计算时间，单位为百万分之一秒。
Static electricity is caused by lightning or by certain electrical machines that give off electromagnetic waves.
静电是由闪电或某些产生电磁波的电机产生的。
Meanwhile, it also expounds and proves that electromagnetic waves is made up of smaller quanta in terms of facts.
同时又从电的转化的角度论证了电磁波是由同一种更微小的能量子组成。
Seismic and electromagnetic waves are treated as plane waves even though that assumption is not strictly correct.
即使假设并不严格成立，也常把地震波和电磁波看作是平面波。
Many aspects of modern technology relate to electromagnetic waves, especially high frequency electromagnetic waves.
现代技术的许多方面都与电磁场，尤其是高频电磁场有关。
The mathematical formulas are used to determine the shape and placement of each piece to deflect the electromagnetic waves.
研究者使用数学公式来决定每块单片的形状和位置，从然而偏移电磁波的方向。
And, in particular, they explain a lot of things such as how electric devices work, but also how electromagnetic waves propagate.
特别地，它们解释了，电动装置是如何运作，和电磁波如何传播，之类的问题。
Atmospheric duct is one of the hot-topics and difficult problems in the propagation of electromagnetic waves in troposphere.
大气波导的影响是对流层电磁波传播研究的热点和难点问题之一。
All these electromagnetic waves are governed by four mathematical expressions established almost 150 years ago by James Clerk Maxwell.
所有这此电磁波都受麦克斯韦大约于150年前创立的四个数学公式的支配。
The team used an antenna to expose some of the mice to electromagnetic waves that approximated two hours of daily cell phone use.
研究小组使用天线将部分实验鼠暴露在电磁波中，大致相当于每天两小时使用手机的辐射量。
If older Alzheimer's mice already exhibiting memory problems were exposed to the electromagnetic waves their memory impairment disappeared.
即使已经表现出记忆问题，患老年痴呆症的年长老鼠接触了电磁波后，它们的记忆损伤也会消失。
If older Alzheimer's mice already exhibiting memory problems were exposed to the electromagnetic waves their memory impairment disappeared.
即使已经表现出记忆问题，患老年痴呆症的年长老鼠接触了电磁波后，它们的记忆损伤也会消失。
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