叶脉的

The size and localization of oil cells in the leaves, combined with the thickness of leaves, the number of layer of palisade tissue, the ratio of the thickness of palisade tissue to that of spongy tissue, the hypoderm, and the type of hairs, may be used as the identification characteristics of the generas, and even species.

木兰科植物油细胞的分布及其大小与叶厚、栅栏组织层数、栅栏组织与海绵组织厚度间的比值以及下皮层的有无、表皮毛的类型、叶脉的结构等特征相结合，可作为该科中属、甚至种的鉴别特征。

There is a single class, order, genus and species, the maidenhair tree or ginkgo from China, known only in cultivation.

具扇形，二叉叶脉的叶片，此即为其保留有裸子植物特征的唯一性状。银杏为雌雄异株。

The products of this brand are all fantastic handcraft with good looking and good price also, the 'nervation' vase is one of the top products of its gift series and it consists of different size, also different price.

这家的陶瓷器做工精美，外观和造型均非常突出，当然价格也非常不菲，叶脉花瓶便是其礼品系列的翘楚，该叶脉花瓶系列也分大小数种，价格也因而有一定差异，不多说，从图片大家便可以看出该花瓶的艺术魅力。

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。

Considering other differences that in leaves of Podocarpus there are three resin ducts under vascular bundle of midrib, mesophyll cells are differentiated into palisade tissue and sponge tissue; in leaves of Nageia, there is only one resin duct under vascular bundle in each vein and no obvious differentiation in mesophyll cells, palisade tissue can be found on both sides, and sclereids can also be found in mesophyll tissue.

结合罗汉松属植物主脉维管束下面有3个树脂道，叶肉分化为栅栏组织和海绵组织，而竹柏属植物每个叶脉维管束下面有1个树脂道，叶肉分化不明显，两面都有栅栏组织，叶肉中还具有大量石细胞等特征，认为罗汉松属和竹柏属在叶脉、叶形态和结构方面存在明显差异，2个属分开是比较合理的。

Leaves the middle of a vein, it is light yellow, from the tip-up, by rough vein gradually thinning.

叶子的中间有一条叶脉，是浅黄色的，从叶尖往上，叶脉逐渐由粗变细。

Any of several delicate Asiatic orchids grown especially for their velvety leaves with metallic white or gold veining.

亚洲产的精致兰花中的任何一种，栽培供观赏其带有金属性白色或金色叶脉的柔软的叶子。

Venation is the distribution of veins in a leaf.

脉序是叶片中各叶脉的排列分布状态。

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。