in vitro fertility technology ivf技术
changes in soil fertility 肥力演变
fertility in advanced age 高龄生育
nutrient fertility in soil 土壤肥力
soil fertility in dry land 旱地土壤肥力
Fertility rate in rural 农村生育率
The incidence of infertility is about 10% in married women.
不孕症的发病率占已婚妇女的10%左右。
参考来源 - 不孕症中医文献的研究It is supposed that anti-sperm antibody may be one of the cause of unexplained infertility.
抗精子抗体的存在可能是引起患者不明原因不育的原因之一。
参考来源 - 人特异精子膜蛋白hSMP·2,447,543篇论文数据,部分数据来源于NoteExpress
Age also plays a role in fertility.
年龄也是影响生育能力的因素之一。
There has been tremendous declines in fertility.
生育率在大幅下降。
The target reductions in fertility rates were reached long ago.
降低生育率的目标早已实现。
Farmers lack enough inputs to maintain soil fertility is parts of many developing countries, especially in Africa south of the Sahara.
VOA: special.2009.07.28
Snakes are symbols of renewed life and fertility in the East ; because they shed their skins so they seem to be eternally young; and they're also phallic symbols.
在东方,蛇一般都是新生命或者多产的象征,因为,蛇的蜕皮,似乎能使它永远年轻;,蛇同样也是生殖力的象征。
This is largely the result of more births in older women and more use of fertility treatments.
VOA: special.2009.10.26
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