主脉的
- 与 主脉的 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Actinodromous(palmate; digitate) Describing a form of leaf VENATION in which three or more primary veins radiate from the base of the lamina toward the margin, as in sycamore, resulting in a leaf that has several large lobes or several leaflets all originating at the same point.
具掌状脉的:叶子脉序的一种类型。是由叶基分出多条主脉,主脉间又多次分枝,形成细脉。结果往往是在一片叶中,具有起源于同一点的多个裂片或小叶。
-
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。
-
In the leaves of Liriodendroideae, some of the abaxial epidermal cells are papillose and the vascular tissue of the main vein appears to be separated. However, papillose were not found and there are uniseriate, multicellular or unicellular hairs distributed on the epidermis, and the vascular tissue of the main vein appears to be continuous in the leaves of Magnolioideae. Furthermore, in the Magnolioideae, the structure of the leaves of plants in Manglietia are different from that of Magnolia.
结果表明:鹅掌楸亚科和木兰亚科在叶的结构上的主要区别是鹅掌楸亚科两种植物叶的部分下表皮细胞呈乳突状,且整个细胞外壁只形成一个乳突,而在木兰亚科的植物中有单列多细胞或单细胞的表皮毛,未发现乳突;鹅掌楸亚科植物的叶主脉维管组织环分隔呈束状,且其外包被的纤维也排列成束状,而木兰亚科的80种1亚种植物中,叶主脉维管组织连成轮状,其外面也由一圈连续的纤维环所包围。
-
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。
-
General yellow-green or yellow interveinal chlorosis of fully expanded and younger leaves with major veins and most minor vein clearly defined green without appreciable adjacent green lamina; some younger leaves with profuse interveinal brown necrotic spotting.
甜菜缺铁:完全展开叶的脉间褪绿一般黄绿色或黄色,嫩叶的主脉和大部分侧脉明显显示绿色没有可察觉的相连的薄层;一些嫩叶脉间有大量褐斑。
-
Results Cuticular papillates,glandular hairs,peltate scales,and non-glandular hairs presented on the leaf epidermis of C.paliurus.Anomocytic stomata were confined to the lower epidermis.Large cluster crystals existed in the uppermost layer of palisade cells.Midrib included one closed vascular system and one additional vascular strand.Secondary veins are semicraspedodromous and form marginal loops,tertiary veins are percurrent,quaternary veins form orthogonal or polygonal areoles filled up by branched and freely ended veinlets.
结果青钱柳叶表皮有许多小乳突,腺毛,盾状鳞片和非腺毛表皮毛;气孔器不规则型,仅分布于下表面;靠近表皮的叶肉组织中有规律地分布含簇晶的细胞;主脉中维管组织环状,封闭,具有一个副维管束;二级脉在叶缘内分支,相互连接形成脉环,三级脉及顶型,脉间区内充满分支的自由结束的小细脉。
-
Epiaortic ultrasound wasperformed at the time of surgery to assess for atherosclerosisof the ascending aorta.
术中进行主脉周超声检查以评估升主脉的脉粥样硬化。
-
The most sensitive part to K ftertilization was in the mid-upper midrib at low positions. The relative value of K content, expressed by Vm/Im, in the midrib between 5th and 1st leaves from top, was used for evaluating the K nutrient status of banana. The sampling part was in the connective zone between midrib and blade.
明确了采用自顶向下计第5叶和第1叶叶脉含钾的比值,来评价香蕉的钾素营养状况;叶脉采样的代表部位为叶片与叶主脉的连接带和采用混合样分析的可行性。
-
Leaf blade usually ovate to lanceolate, main veins 3--7, connected by a network of cross veins and veinlets.
叶片通常卵形的到披针形,主脉3-7,被十字脉和细脉网络连结。
-
Are there seven major chakras (or twelve if one has opened a twelve chakra system) plus the chakras above the head leading to one's source and oversoul?
是否有7个主脉轮(如果你打开了12脉轮系统的话,是否是12个脉轮)加上头顶以上引向你源头和超灵的脉轮?
- 推荐网络例句
-
I can not make it blossom and suits me
我不能让树为我开花
-
When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.
当温度高于 80 °C 左右时,滚道或滚动元件褪色是很常见的特征。
-
The lawyer's case blew up because he had no proof.
律师的辩护失败,因为他没有证据。