1.
A Composite Age-Specific Fertility Rate Model Based on Random Distribution Functions;
基于随机分布函数的分年龄别生育率组合模型
2.
age-marital duration specific fertility rate
年龄婚龄龄别生育率
3.
"fertility rate: Births per thousand, usually related to individuals of same sex, age, marital status, etc."
生育率:每千人平均生育率,通常以相同性别、年龄和婚姻状况的人为基
4.
cumulative average gross fertility ratios by age groups
按年龄组统计的累积平均总生育率
5.
sex age specific death rate
分性别年龄的死亡率
6.
TWO SEX AGE SPECIFIC SURVIVAL RATES AND THEIR DIFFERENCE AT OLDER AGES IN CHINA;
中国高老龄人口两性年龄别生存率及其差异变化
7.
Couples Age Difference and Fertility Rate: Their Influence on Marriage Squeeze;
夫妇年龄差与生育率对婚姻挤压的影响
8.
Study on Chinese People s Fertility Desires by Age and Gender;
我国城乡居民分年龄、性别和受教育程度的生育意愿研究
9.
Examining of and Discussion about Exceptional Death Rate by Age;
年龄别死亡率数据异常的检验与讨论
10.
Study on the correlation between corneal curvature and age,sexual
角膜曲率与年龄及性别的相关性分析
11.
The education degree of women of reproductive age, the average age at first marriage and the proportion of population engaged in farming were important influence factors on fertility.
育龄妇女文化程度、平均初婚年龄、事农业人口的比例是影响该民族妇女生育率的主要因素。
12.
Age pattern and gender characteristic in relation to the natural development of dynamic isokinetic muscle strength of middle school students;
中学生动态等速肌力自然发育的年龄规律与性别特点
13.
Research on Age and Gender Characteristics of Knee Extensor Isokinetic Muscle Strength Development of Primary Pupils;
小学生膝关节伸肌最大等速肌力自然发育的年龄和性别特征研究
14.
With the average lifespan, marriage and childbearing ages all continuing to rise,
鉴于平均寿命、适婚年龄、和生育年龄持续上升,
15.
Many women are choosing to have children later in life. And because fertility declines with age, delaying pregnancy also means that many couples will experience infertility.
许多女性选择晚育。因为随年龄生育率降低,推迟怀孕也意味着许多夫妇将会面临不育。
16.
Mortality intensity function of M. oeconomus Dallas is imitated by agespecific death rate.
用年龄别死亡率,模拟了根田鼠的死亡强度函数。
17.
The Effect of Age of Word Acquisition and Frequency on the Identification of Chinese Double-Character Words;
词汇习得年龄和频率对词汇识别的影响
18.
Within the next fifteen years, all of them will have reached reproductive age.
在未来15年内,他们都将达到生育年龄。