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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.

讨论了污染恒化器模型永久持续生存,群只有内竞时考虑了问题。

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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.

应用干扰作用指数法评价了阿维菌素、蚜虱灭、蚜虱蓟净等杀虫剂对桃蚜作用。

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3G, 401(K), a,

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传说之

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 名第六区居被强行驱赶到城市郊区开普公寓区,这是开普敦种族隔离时期最严苛人口控制例子。

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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, 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手段。而年以来,我常常想到 这些科技。

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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.

在有关人口控制措施文章中,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补救措施。

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Freakonomics Radio

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

曼恩:这本书分内容是对人口控制热情呼吁,有时使用语言会让你感到尴尬。

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American Heritage History of the Presidents

He was interested in family planning and population control, which earned him the nickname " Rubbers." He voted for the Fair Housing Act of 1968, an act of courage in his conservative district.

他对计划生育和人口控制感兴趣,这为他赢得了“橡皮士”绰号。他投票支持 1968 年《公平住房法案》,这是他所在保守派选区勇气之举。

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