dipolar
兩極
di·po·lar /ˈdaɪˌpolɚ, ˈpo-/ 形容詞
雙極,偶極的,兩極的,雙極的,偶極
Di·po·lar a. Having two poles, as a magnetic bar.
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dipolar
adj : having equal and opposite electric charges or magnetic poles
having opposite signs and separated by a small distance