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单词 prismatic layer
释义

prismatic layer

noun

1
or less commonly prismatic tissue : a layer of secondary tissue developed internally by the cambium of some lycopods (as the quillworts) and interpreted as xylem, phloem, or both
2
: the middle layer of the shell of a mollusk consisting essentially of calcium carbonate arranged in prisms
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更新时间:2025/2/7 20:29:59