| birthrate |
the ratio of live births in an area to the population of that area; expressed per 1000 population per year
출처: wordnet.princeton.edu/perl/webwn
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| birthrate |
The number of children born during a year per 1,000 total population at the middle of that year. In 1970, there were 18 births per 1,000 population.
출처: www.mnforsustain.org/rockefeller_1972_glossary.htm
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