The research is to discuss morphological and anatomical structures, character of community distribution and occurrence law of alligator weeds under different habitats, and to screen new herbicide combinations adapting to different habitats.
本研究旨在探讨不同生境类型空心莲子草的形态解剖结构、群落分布特征及发生规律，并筛选适合不同生境类型、安全、高效的除草剂配方，为其控制提供科学依据。
参考来源 - 空心莲子草[Alternanthera philoxeroides(Mart.)Griseb.]的生物学、生态学与复配除草剂的增效作用及作用机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
This method offers a great help to the study of plant community distribution and vegetation succession.
该方法对研究植物群落的分布及植被演替等内容是很有帮助的。
The results of PCA indicated that soil salinity was one of the most important factors affecting the community distribution.
PCA和植物生理特性分析结果暗示，土壤盐分梯度是影响植物群落分布的主要因素。
Moreover, the integration of the European community will oblige television companies to cooperate more closely in terms of both production and distribution.
此外，欧洲共同体的一体化将迫使电视公司在制作和发行方面进行更密切的合作。
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