1) lambingpercentage
羊出生率
2) Weight of yeanling birth
羔羊出生重
3) a yeanling lamb
新出生的小羊羔
4) Birth rate
出生率
1.
The difference of birth rate and the rule of it changes in Xinjiang;
新疆人口出生率的差异及其变动特征解析
2.
Based on demographic data from 1427 to 1971 from a Chinese (Hans) family tree and circular distribution analysis, the authors show that the highest male birth rate was 16.
据 1 42 7～ 1 971年汉族家谱和圆形分析 ,表明男婴出生率亥时最高 ,申时最低 ;女婴出生率子时最高 ,戌时最低 。
3.
The birth records of twins in 1989 in China were used to analyze the effects of difference between urban and rural areas on the birth rate of opposite-sex twin (OSTBR) at different maternal childbearing age.
结果表明 ,中国城乡异性双生子出生率与母亲生育年龄变化模式相似 ,城乡差异对异性双生子出生率有明显的影响。
5) fertility
[英][fə'tɪləti] [美][fɚ'tɪlətɪ]
出生率
1.
New classic economics explanation for regional differences of human fertility;
人口出生率地区差异的新兴古典经济学解释
补充资料：种群增长率(见种群出生率)
种群增长率(见种群出生率)
种群增长率见种群出生率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条