Knowledge Resource Center for Ecological Environment in Arid Area
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| 当前检索式 | ((ALL：Bands Ratio)) |
| 限定条件 | 无 |
| gold 7 | DOAJ Gold 3 | Bronze 2 |
| Green Published, gold 2 | Green Submitted, gold 2 | Green Submitted 1 |
| Green Submitted, Bronze 1 | gold, Green Submitted 1 | hybrid 1 |
