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kun chong wei shi me you zhe me duo zhong
Author(s): 
Pages: 10
Year: Issue:  4
Journal: Knowledge is Power

Abstract: 人虫大战  去年8月,黑龙江省发生罕见草地螟虫灾,漫天遍野的虫子肆虐4300万亩,席卷全省13个市(地)和农垦区.一百步之内会惊飞2000只以上的蛾子,足见其数量惊人.幼虫在一片"唰唰"声中贪婪地吃着农作物叶片,片刻之间,所过之处只剩网状的叶脉.……
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