graded bedding

基本解释

• [地质] 粒级层；序粒层；粒级层理

英汉例句

双语例句

• Distinct causes of formation for different graded bedding in debris flow deposits have been analyzed using the ratio of flow plug.
  应用层理结构的分类指标——流核比，对泥石流堆积层理的正粒序、反粒序和混杂粒序等进行成因差异分析。
• Depositional beddings such as graded bedding, massive bedding, parallel bedding, cross-bedding and wave bedding, are well developed;
  粒序层理、块状层理、平行层理、交错层理、波状层理十分发育；
• The first member of Daye limestone yields hummocky ripple marks, hummocky cross bedding and graded bedding, which are the reflection of storm process.
  其第一段岩石发育了丘状波痕、丘状交错层理及粒序层理，是风暴作用的反映；

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词组短语

短语

• reverse graded bedding 反序粒层理
• content graded bedding 含量递变层理
• double graded bedding 双重粒级层
• biogenic graded bedding 生物粒级层;[古生]生物递变层理
• rhythmic graded bedding 韵律性递变层理

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专业释义

地球科学

• 序粒层
• 粒级层理
• 递变层理
• 粒序层理