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单词 male cone
释义
male cone
  • 简明释义
  • [植] 雄球花;外锥面
  • 网络释义
  • 1

    [植]?雄球花

    小孢子叶球(starninate strobilus)又称雄球花(male cone),由小孢子叶(雄蕊)聚合而成,每个小孢子叶下有小孢子囊(花粉囊)内有多个小孢子母细胞(花粉母细胞),经减数分裂产生小孢子...

  • 2

    ?外锥面

    ... 前锥面 front cone 外锥面 male cone 圆锥面 circular conical surface; cone; conical surface ...

短语
  • 双语例句
  • 1
    The male cone of Cycas circinalis, for example, sheds almost 100 cubic centimeters of pollen, most of which is probably dispersed by wind.
    例如,苏铁的雄性圆锥体会脱落近100立方厘米的花粉,其中大部分可能是被风吹散的。
  • 2
    The female cone of the male sterile plant can blossom, pollinate and bear seeds normally.
    雄性不育株的雌球花发育正常,并能正常开花、授粉和结籽。
  • 3
    Two type, commonly combination washer , or male cone screw cooperate with female cylindrical screw as Europe standard.
    有两种,一般的组合垫圈,或者欧标用圆柱内螺纹配圆锥外螺纹。
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更新时间:2025/1/10 11:38:25