angiosperms怎么读，angiosperms的音标和真人发音
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angiosperms是什么意思，angiosperms的意思是
被子植物，被子植物类
angiosperms 的用法和双语例句“点击”或“选中”例句中的单词，就可以看到词义解释
- Modern herbivorous lizards eat flowering plants , or angiosperms , whose buds and leaves are typically softer than nonflowering plants .
- 现代食草蜥蜴吃开花植物或被子植物，它们的叶芽通常比不开花的植物柔软。
- The process is restricted to certain angiosperms but a primitive form is known from some gymnosperms .
- 此过程仅限于某些被子植物，但从裸子植物中也发现了一些较原始的形式。
- Progress in studies on in vitro culture of unfertilized ovules and ovaries in angiosperms .
- 被子植物未受精胚珠与子房离体培养的研究进展。
- Green plant having a vascular system : ferns , gymnosperms , angiosperms .
- 有脉管系统的绿色植物：蕨类植物，裸子植物，被子植物。
- Pollen sac a chamber in which the pollen is formed in the angiosperms and conifers .
- 花粉囊：在被子植物和针叶类中形成花粉的小室。
- Angiosperms , the embryo leaves with a film , called monocots .
- 被子植物中，胚具1片子叶的，称单子叶植物。
- Unlike the companion cells of angiosperms , they are not derived from the same mother cell as the sieve cell .
- 但与被子植物的伴胞不同，它们不和筛胞起源于一个共同的母细胞。
- Pollen-ovule ratio and anther-ovule ratio : referable indicators of breeding systems in angiosperms .
- 花粉－胚珠比与花药－胚珠比：被子植物繁殖系统的参考指标。
- He also observed that gymnosperm ovules were not enclosed in an ovary wall , leading to the establishment of one of the basic differences between angiosperms and gymnosperms .
- 他还观察到裸子植物的胚珠并不是被子房壁包围，这个发现直接导致了被子植物和裸子植物之间最根本的几点区别的建立。
- They may represent what remains of the archegonium in angiosperms and the pollen tube may penetrate a synergid first , but they do not participate in the fertilization process and abort soon afterwards .
- 它们扮演了残留的被子植物藏卵器的角色。花粉管可首先穿透其中一个助细胞，但助细胞并不参与到受精过程中去，而且随后会消亡。
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