求翻译：本项目以大型沉水植物竹叶眼子菜-重金属系统为研究对象，研究重金属在竹叶眼子菜体内含量、化学形态、结合方式及分布定位特征，重点研究单一及复合污染条件下重金属在竹叶眼子菜体内迁移与积累的动态变化，同时分析竹叶眼子菜细胞微区内各元素的组分含量及基团变化，探讨重金属的迁移转化途径，阐明重金属离子间的正向干扰机制，同时揭示磷砷胁迫对竹叶眼子菜迁移积累重金属的干扰作用机理。为重金属在沉水植物体内迁移转化提供基础数据，同时为开发利用沉水植物治理重金属污染提供必要的科学依据。是什么意思？

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This project take the large-scale submerged plant bamboo leaves small hole vegetable - heavy metal system as the object of study, studies the heavy metal in the bamboo leaves small hole vegetable in vivo content, the chemomorphosis, the union way and the distribution localization characteristic, key

This project to large sinking water plant bamboo eye child dish-heavy metal system for research object, research heavy metal in bamboo eye child dish body content, and chemical form, and combination way and the distribution positioning features, focus research single and the composite pollution cond