In many ways a lack of magnetic activity is a boon forscience.
从很多方面来看，磁场活性降低对科学有利。
A magnetic ascension is not an electrical or electromagnetic one.
一个磁性的提升并非电性或电磁性提升。
Field distribution is a important factor in magnetic abrasive finishing.
磁场分布是影响磁力研磨加工的一个重要因素。
A radio signal has both electrical and magnetic properties.
无线电信号既具有电的特性也具有磁的特性。
Develop a magnetic brain scanner.
研制一种脑磁扫描仪。
Maybe the rocks are moved by a magnetic force.
也许岩石是被磁力移动的。
They plopped each turtle into a small pool surrounded by magnetic coils.
他们把每个海龟放进有磁线圈围绕的小池子里。
Indeed, he refers to the technology as a magnetic racetrack.
实际上，他将这一技术称作磁赛道。
FMRI USES a magnetic field to measure blood flow in the brain.
磁共振成像是使用磁场来测量大脑的血流量。
Scientists originally thought a similar process may have generated an early lunar magnetic field.
科学家原本认为，早起的月球磁场是由一个相似的过程引起的。
As a result, the magnetic fields become trapped in "islands," seen here as red orbs.
结果，磁场被困在“孤岛”中，就是这里看到的红色球体。
A magnetic space sail would also rely on the solar wind for momentum.
磁驱动空间帆同样依赖太阳帆产生动能。
Sheldon is a string theorist, and string theory also predicts the existence of magnetic monopoles.
Sheldon是搞弦论的理论物理学家，而弦论也预言了磁单极子的存在。
Somehow the magnetic field generated by it, and it has to be a donating current.
就会产生磁场，也就产生了感应电流。
Further imagine that this pipe is not made of metal but a transparent magnetic field.
接着再想象一下，这样的管道不是用金属做的，而是一个透明的磁场。
Yet another longstanding mystery is why Mercury has a magnetic field.
另一个悬而未决的谜团是为什么水星上有磁场。
Spin any electric charge and you get a magnetic field.
当你把任意电荷旋转起来，就能得到磁场。
The plasma flows in a loop along a magnetic field line.
这些等离子体沿着磁力线的方向流动喷发。
The bands are thought to play a role ingenerating the sun's magnetic field.
据信，这些物质流在太阳产生磁场过程中起着重要作用。
So-called magnetic people have a few characteristics in common.
所谓的磁铁人有一些共同的特征。
Mrs. Lin: And the magnetic levitation train, which travels at a stunning speed.
林女士：还有磁悬浮列车，它行驶的速度快得惊人。
They also suspect a fluid outer core generates the planet's magnetic field though convection.
他们还怀疑流体外核产生的磁场领域通过对流。
It has a cool magnetic cover now!
拥有超酷的磁性封面！
Pass a current through an inductor, and you create a magnetic flux.
把电流传给电感器，就会产生磁通量。
Cobalt is a naturally magnetic element.
钴是一种天然磁性元素。
In this case there is always a magnetic coupling between the rotor and the stator.
在这种情况下，始终存在一个磁耦合转子和定子。
Laser heat is used to amplify a large, weak magnetic field to record a bit.
激光的热量用来放大一个大面积脆弱的磁区域，来记录一位。
One of you asked this question. “Does a magnetic compass point to the North Pole?”
前段时间有观众向我们提问：“罗盘的指针真的指向北极吗？”
The Eyes Have It: A Protein for Magnetic Sensing
能够感知磁场的眼部蛋白
Surrounding every magnet there is a region where magnetic forces act.
在每块磁铁的周围都有一个磁力作用的区域。
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