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The interference index of population control,IIPC was used to evaluate the control effect of Avermectins,Yasimie and Yasimiejin on peach-aphid.

应用干扰作用数法评价了阿维菌素、蚜虱灭、蚜虱蓟净等杀虫剂桃蚜种群作用。

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In this paper,we study the permanence of populations of a competing chemostat model in a polluted environment.Population control is also dealt with for the model without inter species competitionin.

讨论了污染竞争恒化器永久持续生存性,当种群只有种内竞争时考虑了种群问题。

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BBC 听力 2016年10月合集

Amid articles about population control measures, The Guardian, in Britain, invited its readers to send Danica a message.

在有人口控制措施的文章中,英国卫报邀请读者们给达妮卡发送信息。

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PBS访谈环境系列

Rios concedes that humane euthanasia and population control are very expensive remedies.

里奥斯承认人道安乐死和人口控制是非常昂贵的补救措施。

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济学

Much of the book is a passionate screed for population control, sometimes written in language that makes you cringe.

曼:这本书的大部分内容都是于人口控制的热情洋溢的长篇大,有所用的语言会让你感到畏缩。

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TED演讲(音频版) 2015年3月合集

That same technology was deployed later in North Africa for similar purposes to help activists stay connected when governments were deliberately shutting off connectivity as a means of population control.

也用于类似的目的, 来帮助社会活动家保持联络尤其是当政府以故意切断联络来作为控制民众的手段。而多年以来,我常常想到 这些科技。

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传说之境

More than 60,000 of District Six residents were forcibly removed and expelled towards the Cape Flats area on the outskirts of the city, in the harshest example of apartheid-era population control in Cape Town.

6 万多名第六区居民被强行驱赶到城市郊区的开普公寓区,这是开普敦种族隔离期最严苛的人口控制例子。

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