搜索结果: 1-2 共查到“人口统计学 Canada”相关记录2条 . 查询时间(0.502 秒)
Context: In every country, contraceptive behavior has important implications for fertility and the prevalence of sexually transmitted diseases (STDs). There has been relatively little attention to con...
Narrowing Sex Differential in Life Expectancy in Canada and Austria：Comparative Analysis
Sex Differential Austria Life Expectancy Canada
2009/3/13
Throughout most of the 20th century the sex gap in life expectancy in the industrialised countries widened in favour of women. By the early 1980s a reversal in the long-term pattern of this differenti...