leaf vein的例句大全

The sieve tube members in the minor leaf vein are differentiated through the formation of the P-protein body, the function of the lysosome in the vacuome and the secretion of the dictyosome.

小脉筛管分子的分化是通过P-蛋白体（P-protein body）的形成和液泡系的溶酶体作用，并伴之以高尔基体的分泌作用。

To make leaf vein with sharp work stick.

用尖棒在叶片上划出细密直纹.

leaves a long handle, handle on by 4-5 lanceolate or obovate leaves composed of palmate compound leaf, lateral vein of a simple mesh.

叶具长柄，柄上有由4—5个披针形或倒卵形叶片组成掌状复叶，侧脉为简单的网状。

costa: a rib or a riblike part, such as the midrib of a leaf or a thickened anterior vein or margin of an insect's wing.

肋骨，叶脉：肋骨或肋骨状部分，例如叶子的中脉或昆虫翼的较厚的前部线或边。

petiole glabrous; leaf blade abaxially with barbate vein axils.

叶柄无毛；叶片背面具脉腋具髯毛。

leaf blade membranous, secondary veins free to margin, without submarginal vein.

叶片膜质，对边缘的次脉离生，没有近缘脉。

Results show that the white clover leaf structure boasts plasticity, more particularly the leaf epidermis and mesophyll, though the leaf middle vein remains relatively stable.

结果表明：白三叶叶片结构具有一定的可塑性，其中表皮和叶肉的可塑性较大，而中脉则相对较为稳定；

leaf blade secondary veins not anastomosing into an intramarginal vein in each side of midvein;

进一边脉在在中脉每边内不网结的叶片次脉；

in the leaf shape, but differs by having sunken-veined leaves, many-flowered raceme with 6 – 9 flowers clustered together, dark red bracts, and erect perianth 3 – 3.5 cm long.

叶形相似，但侧脉深陷，总状花序上具许多每6–9朵簇生的花，苞片暗红色，花被伸直，长3–3.5cm，可与后者明显区别。

leaf thickness, leaf saturated water content and vein thickness increased with decreasing temperateness .

叶片厚度、饱和含水量和主脉厚度均随着温和度的降低而增大。

Extending beyond the apex of a leaf , as a midrib or vein.

在接近中脉处有一个或多个切刻.

Ginkgo biloba leaf petiole, is actually composed of many vein from the collection of bundle group.

银杏叶的叶柄, 实际上是由许多叶脉集合而成的维管束群.

leaf blade secondary veins obviously anastomosing into an intramarginal vein in each side of midvein;

进一边脉在在中脉每边内网结的叶片次脉明显；

Among different positions of green tobacco leaf, the water content of mid-rip was the biggest, the second was lateral vein, the third was leaf base, the last were leaf margin and leaf tip;

在不同的叶位间，烟叶水分含量随着叶位的增高有递减的趋势，尤其是叶片水分含量的递减幅度最大。