fertility rate
英 [fəˈtɪləti reɪt]
美 [fərˈtɪləti reɪt]
人口出生率，生育率
英英释义
noun
- the ratio of live births in an area to the population of that area
双语例句
- A low fertility rate and increased life expectancy are the main reasons behind the rapid aging.
出生率低和人的寿命的增长是造成加拿大人口老年化速度增快的主要原因。 - There are fertility rate models that have been borrowed from the West, but also approaches and models that have been developed or modified by the Chinese scholars.
笔者从生育率度量指标和生育率模型两个方面总结我国生育率研究方法的应用及变化。 - Experimental results also showed a positive correlation between percentage of functional pollen and fertility rate.
正常花粉率与稔实率相关极显著。 - Results of the advance tabulation of the Fifth National Population Census indicate that China has not only put its excessive population growth under effective control, but also entered the stage of a low fertility rate.
第五次全国人口普查快速汇总结果表明，中国不仅有效地控制了人口过快增长的势头，而且开始进入低生育水平的发展阶段。 - Additional underlying factors are a deeply rooted cultural preference for sons, a falling fertility rate, and the one-child policy.
其余的潜在因素就是根基很深的对于儿子的传统偏爱，下降的生育率和一个孩子政策。 - The important factors affecting total fertility rate are economic development level, the general fertility rate, the child-bearing age and the level of urbanization.
影响中国总和生育率的主要因素有经济发展水平、一般生育率、生育年龄和城镇化进程等。 - Effect factors of oocyte fertility rate in routine in-vitro fertilization
常规IVF卵母细胞受精率影响因素的探讨 - The fertility rate is the number of children a woman can expect to have.
生育率是一个女性预计会生下的孩子数。 - Since our country fertility rate change always all has close relationship with the birth civilization development.
摘要我国的生育率变化一直以来都与生育文明的发展有着密切的关系。 - Census officials said the current fertility rate was 1.7.
人口普查官员表示，目前的生育率为1.7。