查询词典 angiosperm
- 与 angiosperm 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Say according to this, the much carpel in contemporary angiosperm kind, especially plant of lily magnolia eye is thought angiosperm is more primitive kind group.
根据此说,现代被子植物中的多心皮类,尤其是木兰目植物被认为被子植物较原始类群。
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The artificial flower doctrine that with German botanist Engele is a delegate thinks the flower of angiosperm and gymnospermous ball flower agree completely, every stamen and carpel, be equivalent to a male flower that degrades extremely and female flower respectively, consequently tentative idea angiosperm is to come from child plant hemp is yellow kind yellow Ephedra Campylopoda of curved handle hemp, following plan institute are shown, in this tentative idea, the bud of male flower piece turn into perianth, the bud of female flower piece turn into carpel, the small bud of every male flower piece after disappearing, remain a stamen only, female flower small bud piece ovule is remained only after disappearing, ministry of foundations of move unripe Yu Zi.
以德国植物学家恩格勒为代表的假花学说认为被子植物的花和裸子植物的球花完全一致,每个雄蕊和心皮,分别相当于1个极端退化的雄花和雌花,因而设想被子植物是来自棵子植物麻黄类的弯柄麻黄Ephedra campylopoda,如下图所示,在这个设想里,雄花的苞片变为花被,雌花的苞片变为心皮,每个雄花的小苞片消失后,只剩下一个雄蕊,雌花小苞片消失后只剩下胚珠,着生于子房基部。
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With American botanist cypress apply reach Halier, the really beautiful doctrine that British botanist breaths out Qin Song to be a delegate thinks the flower of angiosperm is come by evolution of ball of leaf of primitive gymnospermous bisexual spore, consequently tentative idea angiosperm is the Benneisu that in coming from gymnosperm, eradicates already iron eye, draft Su Tie especially , the bud on ball of its spore leaf piece evolve for perianth, sporule leaf evolves for stamen, big spore leaf evolves for pistil , axis of ball of its spore leaf shortens for rachis.
以美国植物学家柏施及哈利尔,英国植物学家哈钦松为代表的真花学说认为被子植物的花是由原始裸子植物两性孢子叶球演化而来,因而设想被子植物是来自裸子植物中早已灭绝的本内苏铁目,非凡是拟苏铁,其孢子叶球上的苞片演变为花被,小孢子叶演变为雄蕊,大孢子叶演变为雌蕊,其孢子叶球轴则缩短为花轴。
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It indicated evidently tropical floristic remnant and affinity in the Alsophila spinulosa community. Comparing with the fossil flora from late Cretaceous and Tertiary (i.e. Northeast China flora, Fushun flora in Liaoning, Jinggu flora in Yunnan and Shanwang in Shandong) in China, pteridophyte flora of the Reserve was quite similar to that of late Cretaceous. Nevertheless, its spermatophyte flora was little similar to that of Tertiary, where angiosperm were booming in that period.
将之与中国晚白垩纪和新生代第三纪中国东北、辽宁抚顺、云南景谷、山东山旺化石植物类群相比,发现桫椤群落中蕨类植物成分与其晚白垩纪化石植物群有着高度的相似性,而其种子植物组成与其后兴起的第三纪被子化石群不甚相似。
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Say according to this, of contemporary angiosperm primitive kind group, should have unisexual flower, without the wood that be mixed by flower, anemophilous flower this ament kind plant, if wooden hemp is yellow eye, peppery eye, willow eye.
根据此说,现代被子植物的原始类群,应该具有单性花。无被花。风媒花和木本的柔夷花序类植物,如木麻黄目。胡椒目。杨柳目等。
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The life cycle of maize is that of a typical angiosperm.
玉米的生活史是被子植物中比较典型的。
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Leave structure of gymnosperm is less changable than that of angiosperm, and thus it is valuable in classification.
裸子植物的叶在结构上比被子植物的叶变化较少,而且不受环境的影响,具有一定的分类学价值。
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Functions of Calcium during fertilization of angiosperm is one of research focuses for botanists.
钙在被子植物双受精过程的作用一直是植物学家的兴趣热点。
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Lotus plant is the origin in angiosperm is the earliest kind belong to one of.
莲植物是被子植物中起源最早的种属之一。
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Ornithophily was found in more than 30 angiosperm families in China, which has been largely ignored.
概述了分布于中国的传粉鸟类类群和鸟类传粉的植物类群,并分析了这些植物的分布区类型和花部特征。
- 推荐网络例句
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For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.
为什么呢?因为我的班主任说我严重的违反了校规,于是让我停课三天。
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Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.
他们之中有许多人相信,在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。
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The popular Gawker network of news and gossip sites was shut down by a similar attack on Monday.
周一,深受欢迎的新闻与八卦网站Gawker也因为类似的攻击而瘫痪。