渔民们还同意举报鲟鱼高度集中的地区，这样一来，此类鱼群附近的区域将暂时关闭。
Fishermen also agreed to report unusually high concentrations of cod so a zone around the shoals could be closed temporarily.
有些服务提供商可以在玩家集中的地区附近提供缓存点，与这些提供商合作也有帮助。
You can also work with a service provider that specializes in providing caches in points of presence close to concentrations of your gamers.
在密西西比三角洲，27%的家庭生活在贫困线以下，这也使得此地成为我国相对贫困集中的地区之一。
In the Mississippi Delta, some 27% of families live below the poverty line, making it one of the densest concentrations of relative deprivation in the country.
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