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Terms for subject Ecology containing mean annual | all forms | exact matches only | in specified order only
| English | Chinese |
| annual mean | 年平均 |
| mean annual concentration | 年平均浓度 |
| mean annual discharge | 年平均流量 |
|
| English | Chinese |
| annual mean | 年平均 |
| mean annual concentration | 年平均浓度 |
| mean annual discharge | 年平均流量 |