求翻译：淹灌稻田1和节水稻田2植物的各部位残留PCB状况来看，植物的根部位富集PCB的残留量最多，尤其是在淹灌稻田1植物的根部位所占的浓度含量较多，其中2,2',3,5'-四氯联苯的浓度含量最大是什么意思？

Flooding irrigation rice fields and water-saving paddy plants in all parts of residual pcb situation of view, the parts of the enrichment of the roots of plants pcb residues up to, especially the concentration of share content in the root parts of a plant of the flooding irrigation rice fields more

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Floods fills rice paddy 1 and the saving water rice paddy 2 plant's various spots remains the PCB condition to look that, plant's root spot concentrates PCB the residual quantity to be most, is flooding in particular fills the density content which the rice paddy 1 plant the root spot occupies to be

Flood irrigation rice field water-saving rice fields 1 and 2 PCB residues in all parts of the plants, enrichment of PCB residues in plant root parts up to, especially in a flooded irrigation rice field 1 plant root part of the concentration of more content, 2,2',3,5'-four of the concentration of PCB

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