In livestock, deep-frozen semen from a male animal can be stored for long periods without losing its fertility , thus allowing a single bull to sire as many as 10,000 calves a year.

在动物方面,从雄性动物得到的精子经过稀释被冷冻起来,可储藏很长一段时间而不失去其繁殖力。待到用时,将精子融化,然后将其引入雌性动物的生殖道。一头公牛通过人工授精每年能产生一万头或更多的小牛。

属类：化学及生命科学-医学-

It was so artistically done, and with so much fertility and gorgeous luxuriance of fancy, that it had all the effect of a last and fitting decoration to the apparel which she wore;

这个字母制作别致,体现了丰富面华美的匠心,佩在衣服上构成尽美尽善的装饰

属类：文学表达-英语名著-

" The two terra cotta figures are females with exaggerated abdomens and buttocks. They are strikingly similar to prehistoric""earth mother"" figures found in Europe and other parts of the world, and they probably played a part in ancient fertility rites."

这两件陶俑为女性,腹部和臀部造型夸张。与欧洲和世界其它地区出土的史前"地球母亲"雕塑有惊人的相似之处。这两件女性陶俑也许是用在古代生育祭典上的。

属类：行业术语-艺术-工艺

For the most part they are entertaining talkers. The extent of their experience is pleasantly balanced by the fertility of their imagination.

这些人大多数谈话都很有风趣。他们的阅历很广,又善于运用丰富的想象力。

属类：综合句库-英汉翻译-

That these processes are often injurious to the fertility of a plant cannot be doubted

这些做法对于植物的能育性常有损害,这一点是无可置疑的。

属类：综合句库--

All it took was that first headline about the astonishing ewe, and fertility experts began to hear the questions every day:Our two-year-old daughter died in a car crash; we saved a lock of her hair in a baby book,can you clone her?

这一切都源于各大媒体对于那只惊人的母羊所进行的大肆报道和渲染,于是生育专家们开始日复一日地面对这些问题了:我们两岁的女儿在车祸中死去了,我们在一本婴儿书里保留了她的一绺头发,你能克隆她吗?

属类：综合句库--

Fungi are important in the process of decay, which returns ingredients to the soil, enhances soil fertility , and decomposes animal debris.

真菌在腐化过程中十分重要,而腐化过程将化学物质回馈于土壤,提高其肥力,并分解动物粪便。

属类：社会文化-新闻文摘-

Normal fertility requires the production of enough healthy sperm by the male and viable eggs by the female, successful passage of the sperm through open ducts from the male testes to the female fallopian tubes, penetration of a healthy egg, and implantation of the fertilized egg in the lining of the uterus (see reproductive system). A problem with any of these steps can cause infertility.

正常生育有赖于男方产生出足量的健康且活动的精子,以及女方要有能生育的卵。首先从男方睪丸产生的精子要经过射精管成功进入女方阴道,穿过子宫进入输卵管,其中一个精子要能穿入一个正常的卵,而后受精卵要能植入子宫内膜。在这些步骤当中如有任何差错皆能导致不育。

属类：化学及生命科学-医学-生理与解剖

Systematic Simulation and Comparative Selections of China Fertility Policy: A Case Study of Zhejiang Province

中国生育政策的系统模拟与比较选择-以浙江省为例

属类：行业术语-中文论文标题-

The latest data suggest that through sterilization and other measures, China has lowered fertility to by far its lowest level ever here. The statistics for 1992 amazed population experts, for the family planners achieved targets that they had not expected to reach until the year 2010

最新资料表明,中国通过绝育措施已使出生率降低到历史最低水平。1992年统计数字令人口专家感到惊异,因为计划生育工作者实现了原来预计到2010年才能达到的目标

属类：综合句库--