叶脉

On the foliage the first signs of potassium deficiency is a yellow mottling of the interveinal areas of older leaves.

在簇叶上，最初的缺钾症状是老叶脉间出现黄斑。

Be like a leaf, once new advertisement blood drips, it can spread everywhere to all nervation quickly.

就如一片树叶，新鲜的广告血液一旦滴入，它会迅速传遍所有叶脉。

Some citrus nursery trees in Guangxi were detected with nervation materials by nested-PCR.

本研究以柑橘叶脉为材料，采用nested-PCR技术对广西部分柑橘苗圃苗木进行了黄龙病检测。

The results are as follows:(1) The morphological investigation indicated that the nectaries werelacked on the main nervation, calyx and bract of cotton line 97014 comparedwith TM-1. Alveolate hollow was absent at main nervation of the mature leaf.Results of cytological analysis showed that 97014 lacked nectariferous structure.Where nectary inserted were parenchyma cells, cupped structure and brownnectariferous substance on the lower epidermis were not found.

主要研究结果如下：(1)以棉花无蜜腺品种97014与有蜜腺棉花遗传标准系TM-1为材料，进行形态学比较研究，结果表明棉花无蜜腺品种97014叶片中脉、花萼和苞叶上都缺少蜜腺，成熟叶片叶脉、花萼和苞叶上均无蜂窝状凹陷；组织与细胞切片观察发现，97014缺少蜜腺组织结构，在蜜腺着生处为排列整齐的薄壁细胞，且在下表皮看不到凹陷的组织结构和褐色的蜜腺分泌物。

Foliaceous profound change is simple, shape pouring egg grows a circle, or wrap around needle form; Arteries and veins of exterior midrib, side and net arteries and veins fall greatly sunken and show wave state thick lines, young when body of the gland that be mixed by maize wool, the nervation below is protuberant, close by the fallow thick hair that comprises to astral shape wool by bunch shape wool by, constitute the adornment pattern with one luxuriant leaf, accordingly " annals of picture of plant of high mountain eyebrow " make knit Xie Dujuan again.

叶厚革质，倒卵状长圆形，或倒披针形；表面的中脉。侧脉和网脉深下凹而呈波状粗皱纹，幼时被黄色毛和腺体，下面的叶脉突起，密被由簇状毛至星状毛组成的淡棕色厚毛被，构成一叶华丽的装饰图案，因此《峨眉植物图志》又叫皱叶杜鹃。

The water drops upon the light green leaves, sliding across the nervure, rolling to the edge of the leaves and down to the land, streching its transparent and full of change body.

雨滴打在翠绿的树叶上，慢慢滑过细细的叶脉，从叶子的边缘滚落到地上，伸展着它透明而富于变化的身体。

Comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six subclasses: Magnoliidae and Hamamelidae; Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae.

由生长双子叶胚胎和网状叶脉叶子的种子植物组成；分为六个亚纲；木兰群和金缕梅亚纲等。

Is not the hand a spreading palm leaf with its lobes and veins?

手掌，可不也像一张张开的棕桐叶的有叶片和叶脉的吗？

Grass often cultivated for its long white-ribbed leaves and large plumes resembling those of pampas grass.

叶子有长长的白色肋状叶脉的草本植物，有类似蒲苇的大翅。

Leaves and long-stalked capsules with cleft peristome.

有主叶脉的苔和有裂缝口缘长茎蒴果。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。