- 更多网络例句与苏铁属相关的网络例句 [注:此内容来源于网络,仅供参考]
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Jia-rui Chen of the Chinese Academy of Sciences studies living cycads in south China, one of the richest areas of cycad diversity in the world.
陈家瑞在中科院研究生活在华南苏铁,最丰富的地区的苏铁属植物的多样性在世界上。
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The entrance two trough cycad, look like two goalkeeper's full of energy standing in the entrance, is persevering own post.
入口处两个槽苏铁属植物,看起来像两个守门员的充满活力的站在门口,是坚持自己的职位。
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There are structures which can adapt to drought and barren in Fleshy root of Cycas.
5苏铁属植物的肉质根具有明显的适应干旱和瘠薄的结构特征。
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The reflection of RAPD cluster to the genetic relationship of all the species showed that RAPD was suitable for analysis of interspecific genetic relationship in Cycas.
聚类分析结果基本反应了苏铁属各个种间的亲缘关系,证明了RAPD适用于苏铁属种间亲缘关系分析。
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In this paper, the reaction system of RAPD in Cycas had been established and applied to discuss the relationships among C. hainanensis, C. taiwaniana, C.
通过优化苏铁属植物的RAPD反应体系,进而探讨苏铁属部分种类的亲缘关系。
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Investigating the ecology environment and present situation of the endemic Cycas plants to Yunnan, especially the population structure and dynamics of C. Hongheensins and C. tanqingii. The results show that C. hongheensis is a critically endangered species because the number its individuals had decreased by 47% from 1992 to 2002 and no flowering and fruiting tree has found. While the population of C. tanqingii in Xiaoheijiang River is in a status of restoration because there are more young individuals and its age structure takes on the relatively stable shape of pyramid.
对云南苏铁属特有植物的生态环境、现状等进行了较为全面的调查,特别是对红河苏铁、潭清苏铁的种群结构和动态进行较为详细的调查,结果表明红河苏铁是一个极度濒危的种,2002年的个体数量比1992年减少了47%,连续3年的调查未发现具繁殖能力的个体;而潭清苏铁种群的年龄结构基本呈金字塔形,属较稳定的结构,且处于恢复期,繁殖更新基本正常。
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13 Cycas species were conserved ex situ in Kunming Botanical garden, 8 of which were conserved ex situ in Kunming Botanical garden for the first time. All but C. hongheensis grow well up to date.
在昆明植物园建立了苏铁迁地保护区,迁地保护苏铁属植物13种,新增种类8种,到现在为止,除红河苏铁外,所有种类生长良好。
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Results showed: in Podocarpus leaves, there is only one midrib, the xylem tracheid of midrib vascular bundle is multi-form, transfusion tissue belongs to Cycas-type and transfusion tracheids are isodiametric, the accessory transfusion tracheids between palisade tissue and sponge tissue are developed; in Nageia leaves, there are plenty of parallel leaves, the xylem tracheids of each vein are relatively simple, transfusion tissue belongs to Taxus-type and transfusion tracheids are longer in longitudinal section than that in transverse section, the accessory transfusion tissue between palisade tissue and sponge tissue is absent.
结果表明:罗汉松属叶1条主脉,主脉维管束木质部管胞发达,转输组织为苏铁型,转输组织管胞等径,栅栏组织和海绵组织之间的副转输组织管胞发达;竹柏属叶多条平行叶脉,维管束木质部管胞相对不发达,转输组织为红豆杉型,转输组织管胞纵向伸长,栅栏组织和海绵组织之间不存在副转输组织。
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An extinct seed-producing fernlike plant of the order Cycadofilicales.
苏铁属的一种已经灭绝的类似于蕨类的种子植物。
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The tissues of leaf of Cycas taiwaniana,Bowenia serrulata and Dioon eduleand tissue of root of Macrozamia longispina of cycads,and leaves of Michelia alba and Amygdalus persicaof angiosperm were observed by scanning electron microscope.
对苏铁属的台湾苏铁、波温铁属的细齿波温铁、双子铁属的双子铁叶的羽片,大泽米铁属长刺大泽米铁的根,以及被子植物的白兰和桃的叶组织进行了电子扫描显微镜的观察研究,结果表明,2个科4个属苏铁植物的导管类型是丰富的,导管的结构组成方式、发育过程与被子植物是一致的;例如导管端壁倾斜度等结构特征显示,一些被子植物导管的结构比苏铁类植物的要原始。
- 更多网络解释与苏铁属相关的网络解释 [注:此内容来源于网络,仅供参考]
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Cycas:苏铁属
苏铁目包括苏铁科(Cycadaceae)(1属)、施坦格利科(Stangariaceae)(1属)和查美亚科(Zamiaceae)(8属),10属,约110种,分布于热带、亚热带地区. 中国仅有苏铁科,苏铁属(Cycas),8种,产东南、华南及西南部.
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Cycas spp:苏铁属(所有种)
苏铁科 Cycadaceae | 苏铁属(所有种) Cycas spp. Ⅰ | 银杏科 Ginkgoaceae
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Cycas Linn:苏铁属
21、黄 藤 属 Daemonorops Blume | 1、苏铁属 Cycas Linn. | 2、崖柏属 Thuja Linn.
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Thuja Linn:崖柏属
1、苏铁属 Cycas Linn. | 2、崖柏属 Thuja Linn. | 3、罗汉松属 Podocarpus L''''''''Her. ex Pers.
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Bennettitales:赛凤尾蕉目;本勒苏铁目
"赛凤尾蕉科;本勒苏铁科","Bennettitaceae" | "赛凤尾蕉目;本勒苏铁目","Bennettitales" | "赛凤尾蕉属;本勒苏铁属","Bennettites"
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Bennettites:赛凤尾蕉属;本勒苏铁属
"赛凤尾蕉目;本勒苏铁目","Bennettitales" | "赛凤尾蕉属;本勒苏铁属","Bennettites" | "水底生物相","benthic biota"
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Bennettites:本内苏铁属
本内苏铁目 Bennettitales | 本内苏铁属 Bennettites | 菱钡镁矿 benstonite
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Encephalartos spp:非州苏铁属所有种
哥伦比亚苏铁属所有种 Chigua spp. | 非州苏铁属所有种 Encephalartos spp. | 姜 科 ZINGIBERACEAE
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Encephalartos Lehm:刺叶苏铁属
苏铁 Cycas revoluta Thunb. | 刺叶苏铁属Encephalartos Lehm. | 刺叶苏铁 Encephalartos ferox Bertol. f.
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Cycas revolute:苏铁
常见的苏铁(Cycas revolute)作为观赏植物栽培;国产全部苏铁属植物均为保护对象. 松柏植物(Coniferae) 包含了大多数的裸子植物,是地球南北温带大面积森林的主要树种. 多为常绿乔木,单轴分枝,有长短枝之分:叶多为针形,或条形,气孔旱生型,