In the humanity history, it is one most ancient measuring technique surveying the direction using the Earth magnetic field.
利用地球磁场来测量方向是人类历史上最古老的测量方法之一。
Laser pumping magnetometers using alkali vapors as sensing medium can reach very high sensitivities in magnetic fields covering the range from the earth magnetic field to biological magnetic fields.
激光光泵碱金属磁力仪具有很高的灵敏度，测量范围可以从地球磁场到生物磁场。
This metallic core gives Earth its characteristic magnetic field, which has played an extremely important role in the history of our planet.
这种金属核赋予地球特有的磁场，在地球的历史上发挥了极其重要的作用。
Any current not needed for the magnetic field powers an infrared laser trained on satellite dishes back on Earth, designed to collect the energy.
产生磁场后额外的能量转化为红外激光，激光指向地球上收集能量用的卫星天线。
This is when the last stage of their one-way trip into space begins: sailing along the magnetic field of the Earth.
至此，离子通向太空的单程旅行前的最后一步开始了，这就是沿着地球磁场自由航行。
The magnetic field associated with these particles helps protect the Earth from cosmic rays by deflecting them from the planet.
地磁场同这些粒子相结合令宇宙射线发生弯曲，从而帮助地球避开来访的宇宙射线。
Another new discovery concerns Mercury's magnetic field. The planet, along with Earth, is alone among the terrestrial planets in having a global magnetic field.
另一个新发现是关于水星磁场的：水星和地球是所有的类地行星中有球星磁场的行星。
The Earth is protected from much of this radiation because it has an internal magnetic field that generates a protective magnetosphere.
地球因为有一个由内部磁场产生的保护磁层而免受大部分辐射的影响。
On Earth, heat from the solid inner core drives complex fluid dynamics through convection in the planet's molten outer core, causing an electrical charge which generates a global magnetic field.
在地球上，从坚固的内磁芯的热量通过与炽热的外磁芯核的对流而形成流体动力，引起了电荷，进而由电荷产生了全球的电磁场。
The solar wind, which carries the particles from the sun's magnetic field, known as the interplanetary magnetic field, takes about three or four days to reach the Earth.
太阳风将粒子从太阳的磁场，也就是我们通常所说的行星际磁场中带出，经过三至四天的时间到达地球。
Geophysicists have long known that the source of the fluctuating magnetic field lies deep in the center of the earth.
地球物理学家很早就知道，地球磁场变化的原因深藏于地球中心。
As on Earth, the particles are channelled to the poles by the planet's magnetic field.
在地球，原子内粒子在地球磁场的作用下呈流状分布在两极。
Is it going in the same direction as the magnetic field going through the Earth?
它们和穿过地球的磁场的方向一致吗？
ANALYSIS: The powerful magnetic field thought to surround spinning black holes may also generate a phenomenon we are more familiar with on Earth: an 'aurora'.
分析：围绕黑洞的强烈磁场可能会产生我们更为熟悉的地球上的一种现象：极光。
Mercury is the only inner planet besides Earth with global magnetic field.
除了地球以外，水星是唯一的一个拥有球星磁场的地球型惑星。
The sun's magnetic field near Earth has tipped south, opening a crack in Earth's magnetic defenses against the solar wind.
太阳在地球附近的电磁场已经偏向南方，在地球抵御太阳风的磁场防卫层上打开了一道口子。
The aurora display was not caused by the continuing magnetic blasts from Planet X, as auroras are caused by fluctuations in Earth gravity field.
极光的出现并不是来自于X星的持续的磁场轰炸引起的，因为极光是由地球重力场的波动引起的。
The Earth has a strong magnetic field created by its hot molten core - or centre - and this protects us from the Sun's harmful solar winds.
高温地核的熔融物质为地球创造了一个强烈的磁场，保护我们免受太阳风的伤害。
When the sun's rotation sweeps this warped surface across the earth, we detect sudden changes in the polarity of the magnetic field.
当太阳的自转使这个波浪形间隔面扫过地球时，我们就会探测到磁场极性的突然反转。
This is because the earth is a huge magnetic field while human body is a small one, and the large one influences the small one at all times.
这是因为地球是一个大磁场，人体也是一个小磁场，大磁场无时不对人体小磁场产生作用。
Earth is a very large magnetic field, the magnetic field lines from the North Pole, the Earth's surface into the South Pole.
地球是一个无比巨大的磁场，其磁力线由北极出来，经地球表面而进入南极。
The Earth's magnetic field participating in a slow roll with Planet X such that no one on Earth could deny that something is amiss.
地球的磁场参加一个行星X慢滚地球这样的，没有人可以否认的东西不对劲。
Magnetic fields contained within these objects have been registered to a strength of 1011 Tesla, a billion times stronger than the strongest magnetic field that can be generated on Earth.
磁星物质的磁场强度最强的记录为1011特斯拉，比能在地球激发的最强磁场还要强10亿倍。
Additional Earth Explorer missions are also being designed to address other aspects of the Earth environment, from the evolution of the magnetic field to the Earth's radiative balance.
更多的地球探测项目正在设计中，涉及从磁场演化到地球辐射平衡等地球环境的其它方面。
So, when the Earth gravitational magnetic field puts a barrier in front of the floor of the plasma of the Sun, the product is nitrogen.
因此，当地球的磁引力场体在太阳的等离子体前面创造出一个壁垒，其产物就是氮。
Thus, for the Earth to assume a temporary opposition to the magnetic field of Planet X is not unheard of.
因此，地球临时处于行星X相反的磁场位置并非闻所未闻。
The solar wind constantly streams toward the Earth, but don't worry because a protective magnetic field surrounds our planet.
太阳风不断地流向地球，但是不必担心，因为有一个保护性的磁场包围着我们的地球。
Could they be inching closer to admitting they found a heat generating object right at their door step, cloaked in a dust cloud and jerking the Earth around with its immense magnetic field?
他们会慢慢地承认(该事实)吗？ - - - - - - - - -他们就在家门口找到了一个产生热源，由一层尘埃云雾包裹着的，并且因为其巨大的磁场导致了地球摆动的物体。
The magnetic field of the earth creates a torque around the pivot.
地球的磁场在支点周围产生一个转矩。
The magnetic field of the earth creates a torque around the pivot.
地球的磁场在支点周围产生一个转矩。
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