20. The floristic features and geographical distribution of aquatic vascularplants were summarized in Zhejiang Province based on 15 - year investigations.
根据15年的调查结果,对浙江省水生维管束植物的区系与地理分布特点进行了研究。
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21. Vascularplants produce an entire series of different small signalling molecules, so-called phytohormones, which regulate growth and differentiation processes.
维管束植物会产生一系列不同的小分子信号物质,就是所说的植物激素,它们调控着植物的生长分化进程。
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22. Pneumatophore aerophore; breathing root a specialized negatively geotropic root produced by certain aquatic vascularplants especially trees such as mangroves, e. g.
呼吸根:指由某种水生维管植物产生的特化的负向地性根(尤其如红树,如海桑属),在土壤之上生长良好。
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23. Bryophytes comprise is a big family of plant species. Because of their limited competition, bryophytes usually grow in hard habitats, where no vascularplants can live.
苔藓植物是植物界中的一大类群,其竞争力非常有限,常生长在维管束植物无法生存的环境中。
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24. Pneumatophore ( aerophore ; breathing root ) a specialized neg atively geotropic root produced by certain aquatic vascularplants ( especially trees such as man groves, e. g.
呼吸根:指由某种水生维管植物产生的特化的负向地性根(尤其如红树,如海桑属) ,在土壤之上生长良好。
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25. As one of the zonal vegetation types of the mid-subtropical region of China, its floristic composition consists of 140 species of vascular plants of 100 genera in 58 families.
调查植物计58科100属140种。植物种类以樟科、壳斗科、未兰科、山茶科、杜英科和山矾科为主。
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26. There are some different viewpoints on the development process of soil crusts, the relationship between biological soil crusts and the colonization and propagation of vascularplants.
在生物结皮的发育过程中,其与维管植物萌发和定居间的关系也存在几种不同的观点。
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27. In woody plants, tissues outside of the vascular cambium.
木本植物维管形成层外部的组织。
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28. The results showed that the taproots of transplanted P. ginseng plants consist of periderm and secondary vascular tissue.
结果表明,移山参主根结构由周皮和次生维管组织组成。
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29. The results showed that the taproots of transplanted P. ginseng plants consist of periderm and secondary vascular tissue.