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Paleogene-Neogene coal-accumulating period
释义
Paleogene-Neogene coal-accumulating period
Encyclopedia
理学
聚煤期
释
Paleogene-Neogene coal-accumulating period
古近纪-新近纪聚煤期
古近纪-新近纪有大量聚煤作用发生并形成有工业价值煤田的时期。包括古近纪始新世-渐新世和新近纪的中新世-上新世时期发生的聚煤作用。前者主要分布于中国东部及广西西南部,后者主要分布于云南及台湾。在中国陆上区域,古近系-新近系聚煤区的煤占煤炭资源总量的0.6%。
随便看
difference of first order
difference of higher order
difference of higher order; higher difference
difference of learning–performance
difference of magnetic potential
difference of partial sums
difference of sets
difference of successes
difference of two convex sets
difference of two sets
difference of two squares
difference operator
difference pattern
difference poset
difference product
difference proportion
difference quotient
difference ring
difference scheme
difference semigroup
difference sequence
difference series
difference set
difference table
difference triangle set
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