Analysis of demographic data from 117 countries has shown that when men outnumber women, women have the upper hand: marriage rates rise and fewer children are born outside marriage.

根据117国的人口统计数据分析得出，如果男性数量超过女性，女性会在两性关系中占据主动，结婚率上升，非婚生子数降低。

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The analysis was conducted with Demographic and Health Survey data from 13 sub-Saharan African countries.

本文结合撒哈拉以南非洲地区13个国家的人口统计和健康调查数据进行了分析。

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ESRI's software's key strength is the "club sandwich effect" by which customers handle advanced spatial analysis with up to dozens of layers of data from economic, demographic and environmental databases.

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