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shelterbelt program for Liaohe River
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shelterbelt program for Liaohe River
Encyclopedia
理学
辽河流域防护林体系建设工程
释
shelterbelt program for Liaohe River
辽河流域防护林体系建设工程
为了防治辽河流域水土流失和风沙危害,改善流域的生态环境而实施的林业工程。
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total amplitude
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