mammoth polarity subchron是什么意思，mammoth polarity subchron的翻译，mammoth polarity subchron音标、读音、用法和例句

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mammoth polarity subchron是什么意思，mammoth polarity subchron的翻译，mammoth polarity subchron音标、读音、用法和例句_流逝汉英词典

mammoth polarity subchron

基本解释

专业释义

地球科學