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关注：1
2013-05-23 12:21
求翻译：从空间变化上来看，NH3-N、NO3-N和TN平均浓度上游和中游高于下游，NO3-N年均浓度在整个河段变化不大是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
从空间变化上来看，NH3-N、NO3-N和TN平均浓度上游和中游高于下游，NO3-N年均浓度在整个河段变化不大
问题补充： |
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2013-05-23 12:21:38
Space changes from the point of view, nh3-n, no3-n and tn the average concentration of upstream and midstream higher than the downstream, the average annual concentration of NO3-n little change in the entire river
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2013-05-23 12:23:18
From a space perspective, change NH N , 3 - 3 - NO N and TN average concentration downstream than upstream and midstream, NO N 3 - annual concentration changes in the entire river is not
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2013-05-23 12:24:58
Looked from the spatial variation that, NH3-N, NO3-N and upstream the TN average density and the middle reaches are higher than the downstream, the NO3-N yearly average density are not big in the entire section of river change
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2013-05-23 12:26:38
From the view of spatial variation, NH3-N, NO3-N and upper and middle TN average concentration higher than the lower reaches of the NO3-N annual average concentration in the River as a whole changed little
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2013-05-23 12:28:18
正在翻译，请等待...
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