生长在重金属污染土壤中的植物通过积累游离脯氨酸和降低抗坏血酸含量等途径来减轻重金属的毒害。
The plants growed in the soil polluted with heavy metals could alleviate the heavy metal poison by accumulation of proline and reduction of antiscorbutic acid content and so on.
高等植物对重金属的耐性与积累性，已经成为污染生态学研究的热点。
The research of heavy metal tolerance and hyperaccumulation of higher plants has become a hot topic in the field of pollution ecology.
植物地上部重金属含量与植物地上部生物量的相关分析表明，植物对重金属的积累量与植物地上部生物量的大小无关。
The analysis of the correlation between heavy metal content and biomass of aboveground parts indicated that the heavy metal accumulation was not correlated with the biomass.
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