Oh yes, and there's geomagnetic reversal.
噢对了。还有地磁反转呢。
The last geomagnetic reversal for Earth was about 780,000 years ago.
地球上最后一次地磁倒转大约是78万年前。
Among the other theories NASA has set out to debunk arethat geomagnetic storms, a pole reversal or unsteadiness in the Earth'scrustal plates might befall the planet.
在卸嗥渌砺壑校琋ASA定要拆穿是那地磁风暴、 两极转移和地壳板块不稳之说会可能为地球带来霉运。
Variations in geomagnetic field in western US since last reversal.
在美国西部的变化自去年在地磁场逆转。
Theory, observation and application of the geomagnetic polarity reversal and secular variation, magnetostratigraphy;
地磁场倒转和长期变的理论、观测和应用以及磁性地层学；
Theory, observation and application of the geomagnetic polarity reversal and secular variation, magnetostratigraphy;
地磁场倒转和长期变的理论、观测和应用以及磁性地层学；
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