Water flow can affect structure of the community and species distribution, as well as the production, metabolic processes and morphological characteristics of macrophytes.
水流不仅能影响水生植物群落结构和物种分布，还能影响其繁殖传播、新陈代谢过程和形态特征。
The controlling of the morphological structure and the distribution principles of "islands" are key factors for producing good quality islands-in-a-sea fibers.
海岛纤维岛相的形态结构控制技术及其在纤维横截面上的分布是海岛纤维具有优良质量的关键。
The morphological structure, composition, distribution and quantitative characteristics of antennal sensilla may serve as taxonomic characters.
不同种类昆虫的触角感器形态、结构、分布、数量等特征存在差异，可以作为昆虫分类的依据。
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