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关注：1
2013-05-23 12:21
求翻译：地下水污染主要是指由于人类活动引起的地下水化学成分、物理性质和生物学特性改变而使质量下降的现象。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
地下水污染主要是指由于人类活动引起的地下水化学成分、物理性质和生物学特性改变而使质量下降的现象。
问题补充： |
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2013-05-23 12:21:38
正在翻译，请等待...
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2013-05-23 12:23:18
Groundwater pollution is mainly the result of human activities have caused the groundwater chemical composition and physical properties and biological properties change it to the phenomenon of decline in quality.
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2013-05-23 12:24:58
The underground water pollution mainly is refers because the humanity moves the underground hydrochemistry ingredient, the physical property and the biology characteristic change which causes causes the drop in quality the phenomenon.
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2013-05-23 12:26:38
正在翻译，请等待...
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2013-05-23 12:28:18
正在翻译，请等待...
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