A series of ecologic analyses of pertussis notifications during epidemic periods in relevant age cohorts were conducted.

文章对相关年龄组流行阶段的百日咳呈报案例进行了系列生态学分析。

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Forest plays an indispensable role in the urban ecologic construction.

森林在城市生态化建设中的地位具有不可替代性。

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To grasp the nature of the ecologic crisis is a basic condition to solve it.

对生态危机实质的认识是解决生态危机问题的基本前提。

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"We discussed climate change extensively and all of us agreed that it was imperative for us to redouble our efforts in the weeks between now and the Copenhagen meeting to assure that we create a framework for progress in dealing with what is a potential ecologic disaster,"

VOA: standard.2009.11.03

Second, in an ecologic analysis, one cannot control for confounding factors as one can in an analytic epidemiologic study.

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Already, the boundaries of 3D technology are widening substantially with the 3D printed car, the two-seat Urbee created by KOR EcoLogic of Canada.

FORBES: Written by Robert ��Buzz�� Kross

Ecologic studies of this sort have well-known limitations: above all, they make use of aggregate information on the exposure groups and rates of disease rather than information on individuals.

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