“黑灾”的概念、定义、翻译、参考文献-科学参考

单词	黑灾
释义	黑灾 Encyclopedia 农学黑灾释 winter drought of pasture黑灾冬春季节积雪过少或无积雪，牲畜长期缺乏饮水，造成膘情下降、母畜流产、疫病流行，甚至大批牲畜死亡的灾害。与冬春因长时期积雪过多过厚而发生的“白灾”相对。又称渴灾。
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