湾内沉积物中锌、镉、钴和镍的可交换态比例明显高于湾外，体现了沿岸污染径流输入的影响。
The proportions of exchangeable Zn, Cd, Co and Ni in the inner bay were higher than in the outer bay, indicating the impacts of pollutant input along the bank.
南海北部陆架区29个调查站的表层沉积物样品中，重金属含量较低，明显低于沿岸污染海域。
The heavy metal contents in 29 surficial sediment samples from the continental shelf of the northern South China Sea were significantly lower than those in the samples from the polluted coastal areas.
在佛罗里达海湾沿岸被工业污染的水域中，海豚幼崽异常高的死亡率可能是被它们母亲的乳汁毒害的结果。
The unusually high mortality rate among dolphin calves in the industrially contaminated waters along Florida's Gulf Coast is probably the result of their being poisoned by their mother's milk.
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