无线电波是一种我们看不见的电磁辐射。
尤其是，电磁学是很抽象的学科。
在家做一块电磁铁是既简单又有趣的。
我想转到，电磁波的内容。
上升与下降电磁阀的控制；
光是以电磁射线的形式存在的。
排除过多数据会降低人类脑部同步到达的电磁波。
Out of that plethora of data fell the human brain's synchronous background hum.
首先我们看看实验用来记录电磁波信号的设备。
First, let's look at the gadget he USES to record these signals.
这些就是电磁实验室，里的飞轮。
有一段时间，麦克斯韦退隐家中，以便完成他的电磁理论研究工作。
For a time Maxwell retired to his home to finish his work on electromagnetic theory.
这些电磁场的强度可超过地球天然磁场的1 000倍。
These can be more than 1000 times stronger than the Earth's natural magnetic field.
它是一种新型的采暖设备，来自于电磁热泵采暖技术。
It is a new type of heating equipment, from the electromagnetic heat pump heating technology.
这是电磁推进力的基本原理。
This is the basic principle behind electromagnetic propulsion.
电磁波传播的速度和光一样。
装在起重机上的一块大电磁铁提起破碎机。
霍尔效应可以用经典的电磁理论解释。
Hall Effect can be explained with classical galvanomagnetic theory.
未来也是由一系列的电磁连接在心智和大脑。
The future consists of a series of electromagnetic connections in the mind and brain also.
电磁铁是一种由充电的磁铁发生磁力的安装。
An electromagnet is a device whose magnetism is produced by an electric magnet.
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。
Radar, light, and other electromagnetic waves transfer momentum and energy through space.
一个磁性的提升并非电性或电磁性提升。
A magnetic ascension is not an electrical or electromagnetic one.
在低频范围内，传导干扰是电磁干扰的主要形式。
In the range of low frequency, Conducted interference is primary pass.
但是现在在电磁波的例子中，传播的是哪一类变化呢？
What kind of changes are now spreading in the case of an electromagnetic wave?
电磁铁是一种由充电的磁铁产生磁力的装置。
An electromagnet is a device whose magnetism is produced by an electric magnet.
电磁场理论的应用已经在微波领域相当成熟。
The application of electromagnetic field theory is sophisticated in the field of microwave.
主要是提供电磁铁的直流电源及完成(吸、放料)控制要求。
The main purpose is to provide DC power supply and complete (suction, discharge) control requirements.
打听这个电磁辐射秘密的科研人员也成了攻击目标。
Researchers who find out about this secret radiation of the population become targets themselves.
打听这个电磁辐射秘密的科研人员也成了攻击目标。
Researchers who find out about this secret radiation of the population become targets themselves.
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