释义 |
magnetic polarity短语¹³¹⁶²⁰⁺³ 基本例句 磁极性 They refocus a relationship between the rotation along with the magnetic polarity of Earth, which does change irregularly, with a magnetic reversal taking place every 400,000 years on average. 他们声称地球磁极和自转有关系。地球的磁极的确会不规律的改变, 大约平均400,000年发生一次磁极转换。 go9494.com They claim a relationship between the rotation and the magnetic polarity of Earth, which does change irregularly, with a magnetic reversal taking place every400,000 years on average. 他们声称地球的自转和地球的磁极的关系不稳定,预示着平均每40万年就有一次的磁极颠倒。 xuancheng Throughout the past, the magnetic polarity of the Earth has abruptly flipped and is evident in the orientation of magnetic minerals in some rocks. 远古时代,地球的磁极曾突然颠倒过,因此某些岩石中磁性矿物的磁极方向也随之明显改变过。 yeeyan |