Knowledge Resource Center for Ecological Environment in Arid Area
分面浏览：开放获取类型 |
| 当前检索式 | ((ALL：normalized difference vegetation index)) |
| 限定条件 | ((出版年：2020) AND (文献子类：Article) AND (资源类型：期刊论文)) |
| gold 5 | Bronze 2 | DOAJ Gold 2 |
| Green Published, gold 1 | gold, Green Accepted 1 | gold, Green Published 1 |
