population decline的意思|示意

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population decline相关短语

1、 sharp population decline 人口锐减

2、 the tendency to population decline 人口减少的趋势

3、 decline in population 人口减少

4、 decline population 下降型种群

5、 Population growth and decline 人口成长与衰落

6、 growth and decline of population 种群消长动态