冰脉;片状冰
It is estimated from pollen-spore analyzed results that the maximum temperature in the interglacial epoch was 3 ℃ higher than that at present, while the minimum temperature in the glacial epoch was 14 ℃ lower than that at present based on the estimation of ice wedge in Beijing.
据北京出现的冰楔假型估计,冰期最冷时比现今低14℃。此内分点应在14:3处。
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