1.
Age at First Childbearing of Floating Population and Influencing Factors Analysis;
流动人口初育年龄变化及其影响因素实证分析
2.
age-marital duration specific fertility rate
年龄婚龄龄别生育率
3.
The average age for the first marriage of women of childbearing age increased from 20.8 years in 1970 to 23.57 years in 1998.
育龄妇女平均初婚年龄从1970年的20.8岁提高到1998年的23.57岁,
4.
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。
5.
Dynamics of Height and Weight Changes in a Year among 108 Elementary School Children
观察108名学龄儿童一年中身体发育动态的初步报告
6.
Kids from parturition to 180 days of age were divided into ten age groups, each consisted of three male and three female kids.
采用初生至180日龄的羔羊,分十个年龄组.
7.
Age,education and intelligence declining in adulthood
成年人智力发育与年龄和教育的关系
8.
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，
9.
Age structure of catch from 1990 s was only 1-4 while that of 1960 s was 1-7. The reproductive habit of hairtail was also changed a lot.
带鱼的年龄组成序列缩短，由六十年代初期的1～7龄组缩为九十年代初的1～4龄组。
10.
The rate of early marriage for women has come down and their average age at first marriage has gone up.
妇女早婚比例下降，平均初婚年龄提高。
11.
An Investigation of Onset Age of Psoriasis in 1280 Cases
1280例银屑病患者初发年龄调查报告
12.
The Study of Cloidogrel Resistance in Old Patients;
高龄老年人氯吡格雷抵抗的初步研究
13.
A Preliminary Study of Age-Related Difference in Prospective Duration Estimation;
预期式时距估计年龄差异的初步研究
14.
The Comparison between Older Young Women s Spouse Criterion of First Marriage and of Second Marriage;
大龄女青年初婚与再婚择偶标准比较
15.
Conclusion:Not only the genetic factors but also the uterine environment and the development in childhood are related to the age at menarche.
结论女孩初潮年龄不仅与遗传因素有关,而且与宫内环境和儿童时期的发育有关。
16.
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。
17.
statutory school age
法定强迫入学[义务教育]年龄
18.
cumulative average gross fertility ratios by age groups
按年龄组统计的累积平均总生育率