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单词 hardbottom
释义

hardbottom

English

Etymology

hard + bottom

Noun

hardbottom (countable and uncountable, plural hardbottoms)

  1. A hard seafloor (typically a layer of sand covering rock)
    • 2015 July 9, “Identifying Suitable Locations for Mesophotic Hard Corals Offshore of Maui, Hawai‘i”, in PLOS ONE, DOI:10.1371/journal.pone.0130285:
      Measures of seafloor topographic complexity were used as a proxy for the availability of hardbottom, since a comprehensive map of hard and soft seafloor sediments was also not readily available.
  • softbottom
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