这是另一个磁极，一个磁极和。
So this is one of the magnetic poles and this is the other magnetic pole.
例如，磁极确实在移动。
现就磁极的概念作出一些说明。
磁性罗盘上的指针指向北方磁极。
The needle of a magnetic compass points to the magnetic North Pole.
在任一个磁极的周围有一个力场。
叙述了磁极新旧模锻工艺过程。
The technological process of the new and old die forging for the pole was described.
整个地球史上磁极逆转不时发生。
Our planet's magnetic field has reversed polarity from time to time throughout its history.
距单位磁极厘米处的磁场强度。
他真的观测到单磁极子了吗？
此时我们只不过为磁极反转搭建舞台。
We are merely setting the stage for the reversal at this time.
计算了磁极化子的基态能量。
最后，对转子磁极进行受力分析和计算。
Finally, the force of the rotor pole is analyzed and calculated.
有人说你正面临磁极翻转。
而磁极的防护屏何时将失效也同样是不清楚。
Nor is it clear how long its protective shield will be down.
同步电机带散热匝磁极绕组制造设备研究。
磁极反转依然会在你们进入停滞期后开始。
所有的金属在磁场强度更大的缺口磁极位置。
All its metal pole pieces in place for higher gap field strength.
磁极总是成对存在的。
一块磁铁有两个磁极。
为什么每几十万年，磁场磁极就会自我颠倒一下呢？
Why does the field spontaneously reverse itself every few hundred thousand years?
一根磁针的磁极作用，无论正负都是一样的真实。
The action of the negative pole of a magnetic needle is just as real as the action of the positive 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？
And Why can't we find an isolated magnetic north or South Pole?
这个效应表明，有一种垂直于圈平面的力作用在磁极上。
The action of the negative pole of a magnetic needle is just as real as the action of the positive pole .
他们说最后一次磁极翻转的证据是出现在大约700,000年以前。
They say evidence shows the last reversal occurred about 700,000 years ago.
他们说最后一次磁极翻转的证据是出现在大约700,000年以前。
They say evidence shows the last reversal occurred about 700,000 years ago.
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