BBC英语新闻:英国科学家设计数学模型消灭蝗虫

来源:普特英语听力 2019-03-09
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Scientists in Britain say they come up with a mathematical model that could lead to new strategies in dealing with locust swarms that devastated crops in Africa and Middle East. They say they've identified patterns showing how locust within large groups tends to interrupt more closely with their neighbors making the swarm more stable unlike smaller swarms. BBC news.

locust n.蝗虫,蚱蜢


针对蝗虫群破坏非洲和中东地区的现象,英国科学家称他们想出了一个数学模型,可为消灭蝗虫群提供新方法。科学家们表示他们研究出的蝗虫行为模式显示,大规模蝗虫群中的蝗虫更加频繁地倾向于干扰他们周围的蝗虫,这使得大规模的蝗虫群比较小规模的蝗虫群更趋于稳定。

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