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旱灾
释义
旱灾
Encyclopedia
农学
旱灾
释
drought disaster
旱灾
农业生产所需水分得不到满足而形成的自然灾害。通常因长期无降水或降水显著偏少,造成土壤、空气干燥或灌溉水资源不足而造成。又称干旱。
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