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- Illustrated treatment of aquatic vascular plants. 水生维管束植物图册。
- A cell in the xylem of vascular plants. 管胞在维管植物的木质部中的细胞
- The food conducting tissue of vascular plants; bark. 维管植物传输营养物质的组织;
- Sporophyll The sporangium-bearing structure of vascular plants. 孢子叶：是维管植物中的产生孢子囊的结构。
- One of the tubular conductive vessels in the xylem of vascular plants. 导管维管植物的木质部中的管状引导管之一
- The vascular plants may be grouped into a single division, the Tracheophyta. 具维管组织的植物在分类学上都归属为一个单独的维管植物门。
- It has been applied to attached algae and submerged vascular plants. 这已经用于附生藻类和沉水维管束植物中。
- Thirdly, there was a close relationship between vascular plants and bryophytes. (3)维管植物发育程度与苔藓层发育关系密切;
- 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。
- Any of various vascular plants, including seed plants and ferns, having a conducting system of xylem and phloem. 导（维）管植物任何种类的维管植物，包括种子植物和蕨类植物，具有木质部和韧皮部导管系统
- This type of stele was present in the earliest known vascular plants, such as Rhynia. 这种中柱类型存在于象莱尼蕨这样一些著名的原始维管植物中。
- Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants. 绒毡层：维管植物花粉囊内包围孢子母细胞的富含营养物质的一层结构。
- The cuticles of most vascular plants are covered with a thin layer of largely hydrophobic constituents. 大部分维管囊植物的角质层都被有薄薄一层很疏水的成分。
- My botanical interest is largely confined to the reproductive processes in vascular plants. 我对植物学的兴趣主要限于维管植物的生殖过程。
- The food-conducting tissue of vascular plants, consisting of sieve tubes, fibers, parenchyma, and sclereids. 韧皮部导管植物的食物传导组织，包括筛管、纤维、薄壁组织和硬化细胞
- The food-conducting tissue of vascular plants,consisting of sieve tubes,fibers,parenchyma,and sclereids. 韧皮部导管植物的食物传导组织，包括筛管、纤维、薄壁组织和硬化细胞
- The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants (pteridophytes) and the ovuliferous scales of gymnosperms. 心皮和能产生孢子的维管植物（羊齿类）还有具胚珠的裸子植物的大孢子叶是同源的。
- Any of numerous flowerless,seedless vascular plants having roots,stems,and fronds and reproducing by spores. 蕨，蕨类植物数量较大的有根、茎以及复叶的无花、无子管状植物，通过孢子再生
- Any of various vascular plants,including seed plants and ferns,having a conducting system of xylem and phloem. 导(维)管植物任何种类的维管植物，包括种子植物和蕨类植物，具有木质部和韧皮部导管系统
- The food - conducting tissue of vascular plants,consisting of sieve tubes,fibers,parenchyma,and sclereids. 韧皮部导管植物的食物传导组织，包括筛管、纤维、薄壁组织和硬化细胞
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
