单词 | zero population growth |
释义 | zero population growth in British English (ˈzɪərəʊ ˌpɒpjʊˈleɪʃən ɡrəʊθ) noun ▶ USAGE The abbreviation for zero population growth is ZPG sociology the condition, viewed as a social aim, when the population of a given area neither increases nor declines When the birth rate and death rate are equal, we have zero population growth, orthe stable equilibrium phase. zero (population) growth in American English US a condition in a given population in which the birthrate equals the death rate, so that the population remains constant Examples of 'zero population growth' in a sentence |
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