reverse of polarity

基本解釋

Therefore, paleomagnetic polarity reverse of Quaternary may be one of the main driving factors.
因而，第四紀(jì)古地磁極倒轉(zhuǎn)可能是第四紀(jì)氣候冷暖波動變化的主要驅(qū)動因素之一。
This is a sign that the many falls in vibration are now upon the reverse swing of polarity within the Great Central Sun.
這是大中樞太陽中諸多次振動下降后向極性之反向提升的征兆。
From the fact that Cd-Ni storage batteries are widely used as DC power sources at small substations, the reverse polarity and activation of Cd-Ni storage batteries are discussed in detail.
針對小型變電所普遍使用鎘鎳蓄電池作為直流電源的現(xiàn)實，分析了鎘鎳電池的反極現(xiàn)象和進行活性化處理的方法。

For the Democrats to retake the House, they must either reverse this polarity in the South or they must ride a wind of similar force in other parts of the country.
NPR: What Would It Take To Flip the House?