平行脉叶
- 与 平行脉叶 相关的网络例句 [注:此内容来源于网络,仅供参考]
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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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Leaves basal and/or cauline, alternate, opposite, or whorled, parallel or rarely reticulate veined.
叶基生和茎生,互生,对生,或者轮生,平行脉或者很少网状脉。
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Leaves petiolate; leaf blade papery to membranous, secondary veins 1 or 2 on each side of midvein, tertiary veins parallel, margin usually serrulate.
叶具叶柄叶片纸质到膜质,次脉在中脉两边各1或2,平行的第三脉,边缘通常有细锯齿的。
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Leaves parallel veined, without clear, transverse venation between main veins; filaments not forming a ring.
平行脉的叶,没有清楚,在主脉之间的横向脉序;花丝不形成一枚戒指。
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Leaves distichous, simple, those toward base of plant usually bladeless and reduced to sheaths; leaf sheath open; ligule usually present; petiole present or not, located between leaf blade and sheath, cushionlike in Zingiber ; leaf blade suborbicular or lanceolate to narrowly strap-shaped, rolled longitudinally in bud, glabrous or hairy, midvein prominent, lateral veins usually numerous, pinnate, parallel, margin entire.
单叶二列,基部的叶通常无叶片,退化成叶鞘;叶鞘开放叶舌通常有;叶柄有或无,位于叶片和鞘之间,在姜属里为垫状;叶片近圆形或者披针形,或狭带形,在芽期卷曲,无毛或有毛,中脉显著,侧脉通常多数,羽状,平行,边缘全缘。
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Leaves petiolate; leaf blade secondary veins 2-4 on each side of midvein, tertiary veins parallel, margin entire or denticulate.
叶具叶柄叶片次脉2-4在中脉两边各,平行的第三脉,边缘全缘或具小齿。
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Leaves petiolate; leaf blade usually papery, secondary veins 2-4 on each side of midvein, tertiary veins parallel.
叶具叶柄纸质的叶片通常,次脉2-4在中脉两边各,平行的第三脉。
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Lenticels sparse, inconspicuous on branches; leaves with strongly raised parallel cross-bars on veinlets; flowers reddish.
在分部稀少,不显眼的皮孔;叶具强烈在细脉上提高平行的横脉;花带红色。 12 A。 ulmifolia 榆叶猕猴桃
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Like most monocots, orchids generally have simple leaves with parallel veins, although some Vanilloideae have a reticulate venation.
就如同大部分的单子叶植物,兰科植物通常具有有平行脉的单叶,尽管一些香荚兰亚科植物具有网状叶脉。
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Leaves alternate, often 2-ranked, often oriented edgewise to aerial stem, usually sword-shaped to linear, parallel veined, base sheathing.
叶互生,通常2列,通常着生于侧面到茎上,通常剑形到线形,平行脉,平行脉,基部具鞘。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。