Magnetic north is something else.
磁北极就是另一回事了。
It magnetic North Pole is moving.
磁北极正在移动。
Normally it points toward magnetic north.
正常地它指向磁北极。
A built-in direction sensor detects magnetic north.
内置的方向传感器检测磁北。
The heading of the airplane relative to magnetic north.
相对于磁北的飞机航向。
And Why can't we find an isolated magnetic north or South Pole?
为什么我们找不到单独存在的南磁极或北磁极的磁极呢？
The needle of a magnetic compass points to the magnetic North Pole.
磁性罗盘上的指针指向北方磁极。
Normally it points toward magnetic north. The difference between the two is …
首先，“魔鬼三角洲”是地球上指南针指向真正的北极的两个地方之一。
This means that the magnetic North Pole changes place with the magnetic South Pole.
这意味着磁北极的变化与南极磁场发生。
In the late 1800s, his home was the magnetic North Pole, centered under the aurora borealis.
在十九世纪晚期，他的家在磁北极，以北极光底下为中心。
Geographical lines do exist where true north and magnetic north are aligned, and these are called agonic lines.
当真北和磁北相吻合的时候，确实存在一些被称为无偏线的地理线。
A compass is any magnetically sensitive device capable of indicating the direction of the magnetic north of a planet's magnetosphere.
罗盘是一种磁敏仪器，能够指示某一星球磁器圈的北极。
The Geological Survey of Canada, which conducts out periodic surveys to monitor magnetic north, says it is slowly drifting across the Canadian Arctic.
加拿大为了监测磁北而进行的周期性的地理调查显示磁极正在缓慢的漂过加拿大的北极圈。
Kuo discovered that compasses do not point true north but to the magnetic North Pole. This was a decisive step to make them useful for navigation.
沈括发现，指南针并不是真正的指向北方，而是指向地磁的北极，这对指南针用于导航走出了决定性的一步。
The periodic switching of the magnetic north and south poles of the Earth throughout time, probably as a result of movement of fluid within the Earth's core.
地球的地磁北极和南极随时间作周期性的变换，或许是地核内部流体运动的结果。
He told us that magnetic north is moving at a speed of 50 kilometers - about 30 miles - every year. He said that scientists nowadays use satellites to track the changes.
他告诉记者，磁北极每年以50千米(约30英里)的速度移动，如今科学家使用人造卫星追踪磁极移动的轨迹。
The scientists were also shocked by data showing that Uranus' magnetic north and south poles were not closely aligned with the north-south axis of the planet's rotation.
领科学家震惊的是数据显示天王星的磁场南北极与行星的旋转南北轴线极不一致。
While this would be the most diplomatic option for Santa, Magnetic North has since moved off the Polar Ice Sheet and into the ocean, a rather inconvenient place to set up a toy factory.
尽管对圣诞老人来说，这是最圆融的选择，但磁北极自此离开了极地冰原，进入海洋之中，一个比较不方便设立玩具工厂的地方。
While this would be the most diplomatic option for Santa, Magnetic North has since moved off the Polar Ice Sheet and into the ocean — a rather inconvenient place to set up a toy factory.
尽管对圣诞老人来说，这是最圆融的选择，但磁北极自此离开了极地冰原，进入海洋之中–一个比较不方便设立玩具工厂的地方。
Other, more accurate, devices have been invented for determining north that do not depend on the Earth's magnetic field for operation (known in such cases as true north, as opposed to magnetic north).
另外，不依赖于地球磁场更为精确的仪器已被发明(此种情况称真北极，与磁性北极相对)。
These changes are mild compared to what Earth's magnetic field has done in the past —sometimes the field completely flips, with the north and the south poles swapping places.
这种变化与地球磁场曾经发生过的变化相比还算温和的——有时地球磁场会完全翻转，地磁北极和地磁南极会对调。
These changes are mild compared to what Earth's magnetic field has done in the past - sometimes the field completely flips, with the north and the south poles swapping places.
这种变化与地球磁场曾经发生过的变化相比还算温和的——有时地球磁场会完全翻转，地磁北极和地磁南极会对调。
The north Magnetic Pole is moving slowly northwest across the northern stretches of Canada.
北磁极在缓慢地通过加拿大北方向西北方向移动。
Well, with a lot of money, you can cut even the atom into to subatomic particles: protons, neutrons and electrons, but even these little magnets still always have one North and South magnetic pole.
好吧，如果你有很多钱，你甚至可以把原子分成一些亚原子粒子：质子、中子和电子，但即使是这些小磁体，也还是有南北磁极。
In magnetic conditions replicating those on the west side of the Atlantic near Puerto Rico, the young turtles swam to the North-East, as if setting off on their migration.
在模拟大西洋西海岸波多黎各的磁场中，小海龟游向东北，仿佛开始了迁徙的旅程。
The movement of the magnetic poles is unrelated to the location of the North pole, for example.
比如，磁极的移动与北极的地点无关。
The movement of the magnetic poles is unrelated to the location of the North pole, for example.
比如，磁极的移动与北极的地点无关。
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