查询词典 xylem

The secondary phloem is larger than the secondary xylem in the Heracleum , which is the typical storing root .

根据独活属植物根的次生韧皮部远比次生木质部发达的特点，确定独活属植物的根是典型的贮藏型根。

Results showed that the reducing sugar content in phloem was much higher than that in xylem, and a significant difference was found in the phloem of different poplar strains.

结果表明：各杨树品系木质部的还原糖含量远远低于韧皮部的含量，且韧皮部的还原糖含量差异显著。

In vascular plants, the xylem and phloem serve to translocate such substances.

维管植物的木质部和韧皮部主要进行对这类物质进行运输。

So do the blood vessels of animals and the sap -carrying xylem and phloem of plants. How far can the analogy be pushed?

这和动物的血液在血管里运输，植物的汁液在根茎中传输是一样的。

Any of various vascular plants , including seed plants and ferns , having a conducting system of xylem and phloem .

导管植物任何种类的管植物，包括种子植物和蕨类植物，具有和韧皮导管系统

It consists principally of XYLEM and PHLOEM (water and food-conducting tissues respectively), and also contains strengthening tissue and packing tissue.

它主要包括木质部和韧皮部，还含有机械组织和填充组织。

ConclusionIt is reasonable that root, rhizome and stem as well as phloem and xylem are can be used together.

结论不同用药部位根、根茎和茎及不同组织韧皮部和木质部可共同入药具合理性。

The patterns of movement of labelled photoassimilate in the phloem were qualitatively against to the movement of acid fuchin in xylem.

在韧皮部中标记的光合同化物的运输格局与木质部中酸性品红的移动是相反的，具有强烈的向基性。

Actinostele A rype of protostele in which the xylem is star shaped and the phloem lies between the points of the star.

星状中柱：原生中柱的一种类型。木质部是星形的，韧皮部位于星形之间。

The part of the primary xylem that differentiates after the protoxylem and is characterized by broader vessels and tracheids.

后生木质部初生木质部中不同于原生木质部的一部分，以更宽的导管和管胞为特征

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。