The study on construction technology of soil and water conservation forest system in large project district in semi arid desertification grasslands has been done.
同时对在半干旱荒漠草地大型项目区水土保持林体系的建设技术做了研究。
The study on construction technology of soil and water conservation forest system in large project district in semi arid desertification grasslands has been done.
同时对在半干旱荒漠草地大型项目区水土保持林体系的建设技术做了研究。
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