石羊河流域土地利用类型变化与转换效果分析

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1005-8141|31|1|40-43

ISSN: 1005-8141

Source: 资源开发与市场, Vol.31, Iss.1, 2015-01, pp. : 40-43

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Abstract