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grassland sand prevention
释义
grassland sand prevention
Encyclopedia
农学
荒漠化治理
释
grassland sand prevention
草场防沙
以防治草场沙化、退化为主要目的,通过改良草场土壤、恢复草场植被、围栏封育、补播牧草、以草定畜等技术方法,来改善草场生态环境,提高草地生产力,防治草场沙化的发生和进一步发展的方法。
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Collection of Poems in Tubo Period
Collection of Poetries of One Hundred Masters in Song Dynasty
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collection of points
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collection of reprinted articles
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collection of scientific and technological archives
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collection of sets
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collection of standard spectra
collection of statistics on pollution discharge outlets
Collection of Stone Rubbings across Dynasties from Beijing Library
Collection of Storytelling Scripts of the Ming Dynasty Published in the Chenghua Era of Ming
Collection of Strange Stories
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