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单词 ice core
释义

ice core

noun
A cylinder of ice drilled out of a glacier or ice sheet (especially one in a polar region), typically analysed to obtain information about atmospheric change over time.
  • Ice cores may be up to several thousand meters long, representing hundreds of thousands of years of snow accumulation..

Origin

1940s.

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更新时间:2024/11/11 11:21:03