NCDS has the best measure of general intelligence available in any large-scale survey data.

国家儿童发育研究在大范围调查数据中使用了最好的检测智商的方法。

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Methods A large-scale survey was conducted at 250 medical health units based on stratified sampling.

方法使用分层抽样的方法在全国范围内抽取250家医疗机构开展大规模调查。

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The findings of this large-scale survey are not unexpected but are relevant-namely that depression seems to "amplify" both the experience and intensity of vasomotor symptoms associated with menopause.

这项大规模调查的发现并不出乎意料，而是很合乎预测——即抑郁显然不仅“加深”了绝经期血管舒缩性症状的感受，而且还使疾病症状得以加强。

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The first large-scale survey revealed a treasure trove of rare species, including Siamese crocodiles, previously thought extinct in the wild.

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For example, a large-scale survey conducted in Canada found that as work hours increased and flex-time arrangements became rarer over the last two decades, the percentage of respondents who rated themselves as highly satisfied with their lives plunged by 50% over the same period.

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Despite such large-scale imprisonment, the number of people abusing drugs has not changed since 1988, according to the National Household Survey on Drug Abuse for 1997, the most recent available.

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