• Where population is growing fastest, in sub-SaharanAfrica, emissions per person are only a few percent of what they are in theU.S.so population control would have little effect on climate.

    撒哈拉沙漠以南非洲人口增长最快地方,人均排放只是美国人均排放的百分之——因此控制人口气候没有多大影响

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  • The active factor life tables of BPW natural population were constructed. The controlling effect of active factors was evaluated by using exclusion index of population control (EIPC).

    组建了以作用因子为组分夏季自然种群生命,并运用排除作用控制指数法分析了各种因子假茎象甲自然种群的作用。

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  • Objective to find out the characteristics of epidemic cerebrospinal meningitis outbreak among floating population in construction sites and to evaluate the effect of control measures.

    目的了解大型建筑工地流动人群流行性脑脊髓膜炎(流脑)爆发特点评价防制措施效果

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  • With a case study of Jinshan District, the article has analyzed the approach, economy effect, dynamic mechanism and thinking on the control of the population agglomeration in Shanghai Outer Suburbs.

    本文立足于上海远郊区金山,分析了远郊区人口集聚途径经济影响动力机制以及调控思路

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  • An interference index of population control (IIPC) was constructed to evaluate the effect of plant extracts.

    并应用干扰作用控制指数(IIPC)作为评价指标评价植物抽提物作用效果

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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评价阿维素、虱灭、蚜虱蓟净杀虫剂对桃蚜种群控制的作用。

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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评价阿维素、虱灭、蚜虱蓟净杀虫剂对桃蚜种群控制的作用。

    youdao

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