为了回复这一条和之前的一条海耶斯为两极化辩护的言论，大卫·罗伯茨发了一条推特：“两极化到底是哪两极？”
"In response to this, and an earlier message from Mr Hayes defending polarisation, David Roberts of Grist tweeted:" But polarizing who against who?
导出了基于极化偶极和电流观点的位场解析表达式。
An analytical expression of potential field is derived based on a viewpoint of polarized dipole and electrical current.
随着苏联解体后两极格局的瓦解，世界格局不断向多极化演进。
With the breakup of the Soviet Union and the collapse of bi-polar structure, the world structure develops the trend of multi-polarization.
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