Soil pollution by heavy metal has become a global problem urgently needed to be solved.
土壤重金属污染是全球面临的一个急待解决的环境问题。
Soil pollution by heavy metal has become a global problem, which urgently needs solving. The traditional methods can't solve the problem from the ro ot.
土壤重金属污染是全球面临的一个急待解决的环境问题，传统的污染土壤的修复方法不能从根本上解决问题。
The results show that, the more soil lead pollution concentration is high, the more heavy metal lead is absorbed by maize plant, and the more maize plant growth influenced is graveness.
结果表明：土壤重金属铅污染质量分数越高，玉米吸收重金属铅越多，对玉米的生长影响越大。
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