
陇东黄土高原农业生态效率的时空演变分析——以庆阳市为例
Spatio-temporal Evolution of Agricultural Eco-efficiency in Loess Plateau of East Gansu Province: A Case Study of Qingyang City
{{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
〈 |
|
〉 |