维管植物

Hydrophytes show certain adaptations to such habitats, notably development of aerenchyma, reduction of cuticle, root system, and mechanical and vascular tissues, and divided leaves.

水生植物表现出适应水生的特性：具有发达的通气组织；表皮、根系、机械组织、维管组织退化；叶片分裂；叶片、根和茎中均具有通气道或气腔。

F. bidentis leaf was of isobilateral type, and had thicker epidermis cell wall and cuticle, obvious cryptopores, and highly developed palisade tissue, with typical C4-plant Kranz anatomy. The collenchymas and vascular tissue in stem and the aerenchyma in root were well developed. Secretory structure was found in all vegetative organs. According to the analyses of soil physical and chemical properties and relevant ecological factors, F.

结果表明：黄顶菊叶片表皮具较厚的角质层、下陷气孔，叶片为等面叶、全栅型，叶肉细胞环绕维管束鞘细胞紧密排列，是典型C4植物的Kranz花环结构；茎中厚角组织和维管组织发达，根中还存在通气组织；根、茎、叶中均存在分泌结构。

A division of nonflowering plants characterized by rhizoids rather than true roots and having little or no organized vascular tissue and showing alternation of generations between gamete-bearing forms and spore-bearing forms; comprises true mosses and liverworts and hornworts.

无花植物的一个亚部，以假根而非真根为特点，有小的或没有维管组织，有结合体和孢子体的世代交替；由苔藓类组成。

In most dicotyledonous roots showing secondary growth.the pericycle is also involved in the origination of the vascular cambium and the phellogen.

在大多数双子叶植物根中有次生生长。中柱鞘也与维管形成层和木栓形成层的起源有关。

In former classifications: comprising plants with a vascular system including ferns and fern allies as well as seed plants.

用于旧的分类中；由有维管的植物组成，包含蕨类和蕨类联盟以及种子植物。

Hong Kong is near the northern limit of the distribution of tropical Asian flora and has an estimated 2800 species of vascular plants, both native and introduced.

香港位于亚洲热带植物分布区的北面边缘，本土和外来的维管系植物，估计约有2800种。

Eustele The STELE arrangement found in most gymnosperms and dicotyledons in which the vascular tissue is arranged into a ring of discrete bundles separated by medullary rays, all contained within a single ring of endodermis and pericycle.

真中柱：发现于大多数裸子植物和双子叶植物的中柱类型，其维管组织由不连续的，被髓射线分开维管束排列成环状。所有的微观组织都包含在内皮层和中柱鞘以内。

Phloem Plant vascular tissue in which food is transported from areas where it is made to where it is needed or stored.

韧皮部：植物维管组织中将有机养料从一个区域输送至必需或贮存部位的结构。

Moss is a group of small high plant without real root and vascular system. It lies in the dark and wet environment and plays a very important to the nature.

苔藓植物为一群小型的高等植物，没有真正的根和维管组织的分化，多生于阴湿环境中，在自然界中起着十分重要的作用。

Any of several vascular, spore-bearing, aquatic or marsh plants of the genus Isoetes having short rhizomes and quill-like leaves.

水韭一种水韭属的、有维管的、含孢子的水生或沼生的植物，长有短根茎和羽管状的叶子

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。