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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.

应用干扰作用控制指数法评维菌素、蚜虱灭、蚜虱蓟净等杀虫剂桃蚜种群控制作用。

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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.

讨论污染恒化器模型永久持续生存性,当种群只有种内时考虑种群控制问题。

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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.

在有关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.

里奥斯承认道安乐死和是非常昂贵的补救措施。

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Planet Money

So 20% of the Italian population controlling 80% of the land - that's a kind of power law.

所以 20% 的意大利着 80% 的土地——这是一种幂律。

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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:这本书的大部分内容都是关的热情洋溢的长篇大论有时所用的语言会让你缩。

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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制民众的手段而多年以来,我常常想 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城市郊区的开普公寓区,这是开普敦种族隔离时期最严苛的例子。

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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.

他对计划生育和兴趣这为他赢得了“橡皮士”的绰号。他投票支持 1968 年的《公平住房法案》,这是他所在保守派选区的勇气之举。

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