birth rate是什么意思 birth rate在线翻译 birth rate什么意思 birth rate的意思 birth rate的翻译 birth rate的解释 birth rate的发音 birth rate的同义词

名词人口出生率

1. Some people argue that the change from high to low birth rate has lowered the child dependency ratio.

2. The family program committee in Shanghai has already established a birth rate forecast system.

3. Pandas have a low birth rate and artificial insemination is common in captive breeding programs.

4. The demography of Xinjiang shows the features of low rate of birth, low rate of death and low rate of increase.

5. Wu maintains that the ageing population will peak again in 60 years if the birth rate was raised today.

6. As birth rate in Spain has dropped, immigrant flow will help deal with the problems caused by an ageing population.

7. She said air pollution causes the incidence rate of birth defects in the city to be higher than in the countryside.

8. Researchers also linked the high rate of birth defects in the country to air pollution.

9. France also has a higher birth rate than all other European countries, and is the only one that renews each generation.

10. Data suggest that intervention in birth defects in East China's Shandong Province has already helped in reducing the high rate problematic births there.