phloem造句
例句与造句
- Phloem elements and adjacent tissues are the principal feeding sites for most aphids .
韧皮部及其邻近组织是大多数蚜虫的主要取食部位。 - Primary phloem phloem derived from the procambium in the young plant
初生韧皮部：指幼嫩植物中来源于原形成层的韧皮部。 - Both xylem and phloem form a continuous branched system in the whole plant body
木质部和韧皮部在植物体内构成一个连续的分支系统。 - Measurement for the transportation velocity of 14c photosynthate in phloem of phellodendron chinense
同化物在黄柏韧皮部的运输速率测定 - Endomitosis occurs regularly in certain tissues , such as the phloem cells of some leguminous plants
核内有丝分裂通常发生在特定组织中，如一些豆科植物的韧皮部细胞。 - It's difficult to find phloem in a sentence. 用phloem造句挺难的
- The correlation between the reducing sugar content in phloem and xylem and the ratio of damaged trees was not close
不同杨树品系韧皮部和木质部的还原糖含量与被害株率没有相关性。 - Protophloem the first - formed primary phloem , differentiated from the procambium in the region just behind the meristem
原生韧皮部：最早形成的初生韧皮部，由位于分生组织中的原形成层分化而来。 - Intrafascicular cambium ( fascicular cambium ) the part of the vascular cambium within the vascular between the xylem and phloem
束中形成层：是位于木质部和韧皮部构成的维管束内的一部分维管形成层。 - Bifacial leaf and mesophyll tissue contain crystals , phloem is rich in saliferous vacuoles , and the mechanical tissue is developed
异面叶，叶肉组织中含有晶体，韧皮部内富含含盐液泡泡，机械组织发达。 - Sap 1 . the solution of mineral salts and sugars that is found in xylem and phloem vessels and oozes out of cut stems
树液： 1 .是植物木质部与韧皮部管状分子中存在的含多种无机盐与碳水化合物的混和溶液，可以从植物茎上的切口处渗出。 - Haplostele a type of protostele having a solid strand of stele with the xylem on the inside encircled by phloem , pericycle , and endodermis
单中柱：原生中柱的一种类型，是由韧皮部、中柱鞘和内皮层包围着内方的木质部构成的实心中柱。 - The results showed that the root transactions had significant differences in periderm , phloem , and xylem between cultivated and wild salvia miltiorrhiza
结果表明，在解剖横切面上，栽培与野生丹参根的周皮、韧皮部、木质部具有显著差异。 - Vascular plants plants containing differentiated cells forming conducting tissue ( vascular tissue , also known as fascicular tissue ) , which comprises the xylem and phloem
维管植物：具有能够形成体内运输组织(维管组织：包括木质部和韧皮部)的分化细胞的植物。 - In nonwoody plants it is the only food - conducting tissue , but in mature plants with secondary growth this function is taken over by the secondary phloem
在尚未木质化的植物中，它是唯一的输送有机营养的组织，但在具有次生生长的成熟植物体中，该功能由次生韧皮部行使。 - 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。
更多例句： 下一页
