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单词 secondary ray
释义
secondary ray
  • 简明释义
  • 次生射线,次级射线
  • 网络释义
  • 1

    ?次生射线

    维管射线是由射线原始细胞分裂,分化而成,因此,是 次生结构,所以也称次生射线(secondary ray),它位于次生木质部和次生韧皮部内,数目不固定,随着新维管组织的形成,茎的增粗也不断地增加.

  • 2

    [古生]?二级射枝

    ... 二级隔壁 minor septum 二级射枝 secondary ray 二级腕板 secundibrach distichal ...

短语
  • 双语例句
  • 1
    In the calculation of the experimental data, the secondary fluorescent X-ray intensity was considered with the tertiary neglected.
    在实验数据计算中,考虑了二次荧光的贡献,忽略了三次荧光强度。
  • 2
    They were accumulated in the large central vacuoles of secondary phloem parenchyma cells and secondary phloem ray cells.
    这些蛋白质积累在韧皮薄壁细胞和韧皮射线细胞的中央大液泡里。
  • 3
    It is a lateral meristem and contains fusiform initials giving rise to secondary xylem and phloem and ray initials giving rise to medullary rays. See also secondary growth.
    维管形成层属于侧生分生组织,包括能够产生次生木质部与次生韧皮部的纺锤状形成层原始细胞和产生髓射线的射线原始细胞。
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更新时间:2025/4/12 13:03:07