查找数据污染的来源，并系统性地进行更正。
Spot sources of data pollution and systematically correct them.
mashup开发人员可能还必须面对IT集成管理人员不需要面对的一些问题，其中一个问题是数据污染。
Mashup developers might also have to contend with several issues that it integration managers might not, one of which is data pollution.
这项研究将在两个月内确定并收集工业、农业和住宅污染来源的数据。
The study will identify and collect data on sources of industrial, agricultural and residential pollution for two months.
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