PDF(198 KB)
PDF(198 KB)
PDF(198 KB)
国内外耕地利用与保护的理论基础及其进展
The Theoretical Basis and Progress: Utility and Protection of the Farmer-land in Foreign and Home
| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |