vascular bundles
维管束：植物茎、叶或根中的维管束
常用释义
英式发音
美式发音
基本释义
- 维管束：植物茎、叶或根中的维管束，用于输送水分、养分和有机物质。
例句
-
1·There were phloem fiber bundle of stem outside vascular bundles.茎微管束外具韧皮纤维束；
-
2·Sepals contain several vascular bundles, and are thought to be derived from leaves.根据萼片内的许多维管束结构，通常认为其由叶发育而成。
-
3·The number of vascular bundles in neck-panicle was mainly controlled by genetic factors.穗颈维管束数主要受遗传因素控制，环境条件的影响相对较小。
-
4·Results show that the large parenchymatous cells of vascular bundles are the mainly storage site of aloin.结果表明，叶维管束内的大型薄壁细胞为芦荟素的主要贮存结构。
-
5·Jinhui12 is an excellent parental candidate in improving the characteristic of neck-panicle vascular bundles.缙恢12号是改良穗颈维管束性状的优良亲本。
-
6·All the vascular bundles are interconnected so that transport between organs carried on rapidly and efficiently.所有维管束都互相连通，因而得以迅速而有效地完成器官之间的运输。
-
7·Vascular bundles of the pedicel in flower of Commelina communis were scattered within central fundamental tissues.鸭跖草花梗顶部的维管束分布在中央的基本组织内。
-
8·Their internal structures consist of air passages, vascular bundles of various size, ground tissues and sclerenchyma.它们的内部结构是由气道、不同大小的维管束、基本组织以及厚壁组织组成。
-
9·There are 5~8 vascular bundles arranged in arch shape. Secretory cavities are present in the ground tissue of petiole.叶柄的基本组织中具有裂生分泌腔，5~8束维管束呈弧形排列或散布在薄壁组织中；
-
10·Vein One of the vascular bundles in a leaf. The pattern in which the veins are arranged in a leaf is called the VENATION.叶脉：叶片中的维管束结构。在叶片中，所有叶脉排列的方式称脉络。