维管

1.
vascular
...螺旋形状出现于许多非风媒传粉的植物后裔,它被看作是维管vascular)植物的特征之一,松柏目植物(conifer)在整体上只是其中 …
e.taisha.org|Based on 7 pages
2.
Vascular tissues
植物生理学幻灯片_植物生理学_ppt... ... 1.3.3 Meristem 分生组织 1.3.4 Vascular tissues 维管 1.3.4.2 sieve elements 筛管 ...
read.cucdc.com|Based on 2 pages

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