回复Athenajk发表于：2006/5/18 0:51:00悬赏金额：
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我要翻译文章 可是这句in 2- to 50-fold 不太懂 Four heavy metals (Cd, Pb, Cu and Co) were present in 2- to 50-fold higher concentrations whereas zinc levels were present in 40-fold lower concentrations in soil. 麻烦哪位帮忙翻译下
原文由 Athenajk 发表:
我要翻译文章 可是这句in 2- to 50-fold 不太懂 Four heavy metals (Cd, Pb, Cu and Co) were present in 2- to 50-fold higher concentrations whereas zinc levels were present in 40-fold lower concentrations in soil. 麻烦哪位帮忙翻译下 |
全文：4种重金属(Cd, Pb, Cu and Co)以高出2-50倍的浓度而Zn以低了40倍的浓度存在于土壤中。
是否准确还要看上下文。
zhangwuji 回复于：2006/5/19 12:40:00
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