gymnosperm造句_gymnosperm例句_gymnosperm用法_优词词典

1. From the present results, we considered that tracheary elements that conduct water and mineral in ferns and gymnosperm are tracheids .: 由此可以推测蕨类植物和裸子植物中输导水分和矿物质的管状分子主要为管胞。

2. Guangdong flora became more complex and multiplex from the beginning of Tertiary. The angiosperm developed in mass and dominated instead of gymnosperm.: 从第二纪开始，广东植物区系成分变得更加复杂多样，被子植物大量发展，取代了裸子植物占据统治地位。

3. Plastid of most angiosperms is uniparental maternal inheritance, yet a majority of gymnosperm is uniparental paternal inheritance.: 被子植物的质体多数表现为单亲母系遗传，大多裸子植物的质体则为单亲父系遗传；

4. Gymnosperm A general term for any seed plant except the angiosperms , characterized by bearing naked seeds.: 被子植物以外的种子植物统称裸子植物，以种子裸露为特征。

5. The characters of assemblage are that the pollen of gymnosperm make up absolute predominance, content of pteridophytic spores are very low.: 是裸子植物花粉占绝对优势，蕨类孢子含量很低。

6. Investigated the Huhhot 12 main road green space plant landscape present situation, The path afforests the tree seed to have 27 kinds, in which gymnosperm 5 kinds, the angiosperm 22 kinds.: 调查了呼和浩特市12条主要道路绿地树种的现状，道路绿化树种有27种，其中裸子植物5种，被子植物22种。

7. Rock plant, based on natural taxonomy system is classified into bryophyte, pteridophyte, gymnosperm, angiosperms;: 岩生植物按自然分类系统分为苔藓植物、蕨类植物、裸子植物、被子植物。

8. China has the richest flora of gymnosperm in the world, which is crucial for understanding the change of global distribution and phylogeny of gymnosperm.: 中国拥有世界上最丰富的裸子植物区系，对理解全球裸子植物分布变化与系统演化具有重要意义。

9. What recorded them were embryos of angiosperm and gymnosperm.: 记忆它们的是被子植物和裸子植物等胚种。

10. In Mesozoic, Guangdong flora had a big change, the gymnosperm was prosperous, but it was evolved from the late Paleozoic Cathaysian flora as a whole.: 中生代，广东植物区系成分发生了很大的变化，裸子植物大量繁盛，但总体上是在本区晚古生代华夏植物区系的基础上演化而来的。

11. Accessorial types such as fern and its spore, gymnosperm and its pollen appeared from Devonian to Jurassic.: 泥盆纪至侏罗纪油气形成的母源体新增加了蕨类植物及其孢子、裸子植物及其花粉等；

12. Contrary to common variation type in Angiosperms, the variation from high unsymmetric karyotype to low unsymmetric karyotype was found in existence in Gymnosperm.: 与一般植物染色体的常见变异形式相反，在裸子植物中存在从高不对称性到低不对称的变异形式。

13. By data collection of the database, we analyzed chromosome features of the group Gymnosperm.: 在数据库的统计数据基础上，我们分析了裸子植物的染色体特征。

14. Plants of Gymnosperm had been through a long historical evolution on earth, fossil records of which originated from the late Devonian period.: 裸子植物具有悠久的演化历史，其化石记录可上溯至泥盆纪。

15. It has also been found that the gymnosperm plants have few copies of CHS gene in a particular nuclear genome, but copy number varies greatly in the angiosperm plants.: CHS基因在裸子植物中的拷贝数较少，而在被子植物中拷贝数变化很大。

16. It has also been found that the gymnosperm plants have few copies of CHS gene in a particular nuclear genome, but copy number varies greatly in the angiosperm plants.: CHS基因在裸子植物中的拷贝数较少，而在被子植物中拷贝数变化很大。

17. gymnosperm (fossil): 裸子植物（化石）

18. any tropical gymnosperm of the order Cycadales; having unbranched stems with a crown of fernlike leaves.: 苏铁科热带植物；长有蕨类叶片，树干无枝。

19. There are 1 007 species of spermatophyta being subordinate to 529 genera,139 families in Huangfushan Nature Reserve. Among them, Gymnosperm has 6 families, 16 genera, 31 species ; Angiosperm has 133 families, 513 genera, 976 species.: 皇甫山自然保护区共有种子植物 1 39科 ,5 2 9属 ,1 0 0 7种 (含种下单位 ) ,其中裸子植物 6科 ,1 6属 ,31种 ,被子植物 1 33科 ,5 1 3属 ,976种。

20. Gymnosperm A general term for any seed plant except the angiosperms, characterized by bearing naked seeds.: 裸子植物：被子植物以外的种子植物统称裸子植物，以种子裸露为特征。

21. 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。

22. In the palynoflora gymnosperm pollen consists up to 53.4% of the total tally, of which Taxodiaceae makes up to 36.3% of the total. There are a few of Pinaceae pollen (5%).: 孢粉组合中裸子植物花粉居统治地位,占总数的53.4％,其中Taxodiaceae占36.3％,松科仅占5％。

23. There were 429 species of vines, belonging to 190 genera and 64 families in Jinggangshan, in which the pteridophyte account for 4 families, 8 genera and 19 species, the gymnosperm for 1 family, 1 genera and 1 specie, and the sngiosperm for 58 families, 181 genera and 409 species.: 摘要井冈山藤本植物共有64科190属429种，其中蕨类植物4科8属19种，裸子植物1科1属1种，被子植物59科181属409种。

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