您要查找的是不是：
- DEPENDENCY RATIO OF POPULATION ON LABOR AGE (SAMPLE SURVEY ON POPULATION CHANGE) 劳动年龄人口抚养系数(人口变动抽样调查资料)
- Dependency Ratio of Population 人口抚养比
- The age dependency ratio - the ratio of the young and the aged to people of age 15 to 64 - dropped from 438 per 1000 in 1987 to 398 per 1000 in 1997. 抚养比率(即年幼及年老人士与15岁至64岁人口的比率)，由一九八七年的千分之四三八降至一九九七年的千分之三九八。
- The ratio of sample size to population size. 抽样规模与人口规模的比率。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The density of population in this city is very high. 这个城市的人口密度非常高。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Re-evaluation of the Dependency Ratio of China's Foreign Trade 中国贸易开放度的重新估计
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- Overall dependency ratio in mid-2023 is 449. 2023年年中总抚养比率是449。
- Child dependency ratio in mid-2028 is 171. 2028年年中少年儿童抚养比率是171。
- Demography is the analysis of population variables. 人口学是对人口变量的分析。
- We now come to the question of population. 现在我们开始谈人口问题。
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
- The ratio of men to women was two to one. 男女的比例是二比一。
- Dependency ratio Proportion of children and old people in a population in comparison with everyone else. 抚养率指在总人口中,儿童和老人与其他人口的比率。
- The ratios of 1 to 5 and 20 to 100 are the same. 1与5之比和20与100之比相同。
- No,actually,it's more a matter of population. 不，实际上这更是一个人口问题。
- Description for type of population. 对填充类型的说明。
- The ratio of deaths in an area to the population of that area. 死亡人口数同本地区人口比率。
