平行叶脉的

词组短语

parallel-veined

与平行叶脉的相关的网络例句 [注：此内容来源于网络，仅供参考]

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。

Any of various chiefly tropical evergreen trees,shrubs,or woody vines of the family Palmaeor Arecaceae, characteristically having unbranched trunks with a crown of large pinnate or palmate leaves having conspicuous parallel venation.

棕榈科植物棕榈科的各种主要的热带常绿树、灌木或木质藤本植物，特点为有无分支的树干，其顶端集生羽状或掌状的树叶，并带有明显的平行叶脉

Any of various chiefly tropical evergreen trees, shrubs, or woody vines of the family Palmae, characteristically having unbranched trunks with a crown of large pinnate or palmate leaves having conspicuous parallel venation.

棕榈科植物棕榈科的各种主要的热带常绿树、灌木或木质藤本植物，特点为有无分支的树干，其顶端集生羽状或掌状的树叶，并带有明显的平行叶脉

Based on these characteristics observed, species in Pteridaceae tended to accumulate and deposit silica in long cells in lower epidermis and forming spicular cells. This might helps them to enhance the supporting function of their lateral veins.

综合以上特徵推测，凤尾蕨科倾向将二氧化矽堆积於叶下表皮与叶脉平行之表皮细胞上，并形成矽异形细胞，该特徵可能与加强叶片的支持力有关。

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。

They have long, narrow parallel-veined leaves, whorled or alternate, arising at the base of the stem or along it.

百合科植物具有狭长的叶，平行叶脉，叶轮生或互生，在茎基部或沿着茎生长。

与平行叶脉的相关的网络解释 [注：此内容来源于网络，仅供参考]

mottle：斑驳

有时变色部分的轮廓不很清楚,这种症状就称作斑驳(mottle). 斑驳症状在果实上也是常见的. 单子叶植物的花叶症状,是在平行叶脉间出现变色的条纹、条斑或条点. 典型的花叶症状,叶上杂色的分布是不规则的,但有的可以局限在一定部位,

parallel venation：平行脉

平行脉(parallel venation) 主要是单子叶植物所特有的脉序. 叶片的中脉与侧脉、细脉均平行排列或侧脉与中脉近乎垂直,而侧脉之间近于平行,都属于平行脉. 其中所有叶脉都从叶基发出,彼此平行直达叶尖,细脉也平行或近于平行生长,称为直出平行脉,

Cordaites：科达

长的可达1米,边缘一般为全缘,螺旋状排列于枝上,叶脉密,平行伸展,多在基部分叉,脉间常见密集细纹. 晚泥盆世至三叠纪,晚石炭世至二叠纪极繁盛,密生成林,是当时重要造煤植物之一. 常见化石有科达(Cordaites)、匙叶(Noeggerathiopsis)等

parallel-veined：平行叶脉的

parallel-typeworm 柱形蜗杆 | parallel-veined 平行叶脉的 | parallel-wireline 平行双线有线电路 平行双线有线电路等电位线 平行线双线有线电路