单词population pyramid
un.: 总体金字塔；种群锥体；体均值；种群构成
网络: 人口金字塔；人口年龄金字塔；分群金字塔形图
种群构成
体均值
种群锥体
总体金字塔
The number of people in each age group in the population pyramid [chart to be shown] reveals something of the EU"s history.
人口金字塔中各年龄段的人数揭示了欧盟的某些历史。
Its population pyramid has become dome-shaped and is slowly turning into a pear.
人口金字塔变成圆屋顶的形状，如今正慢慢地向梨形发展。
A population pyramid is a graphical illustration of the age distribution of a population.
人口金字塔是反映地区人口和年龄性别比例的图像，形状像金字塔。
In 25 years, China will have ALOT more old people than young people - an inverted population pyramid.
25年后，中国将会有比年轻人更多的老年人，这是倒过来的人口金字塔。
Note : The population pyramid for 1996 was shown in lines while the population pyramid for 2006 was shown in bars.
注释：一九九六年的人口金字塔是以折线来表示，而二零零六年的人口金字塔则以横条来表示。
The world"s population pyramid is changing shape
世界人口金字塔正在改变形状