查询词典 fertility

Nugent says statistics on the fertility rate were also revealing . Most developing countries have what we call a youth bulge , which means that they still have a very large number of young people.

Nugent认为关于的出生率的数据仍然是有启迪性的，她说：大多数发展中国家存在一个我们称之为'青年膨胀'的现象，即青少年人口过多。

Nugent says statistics on the fertility rate were also revealing."Most developing country have which we call a youth bulge, which means they still have very large numbers of young people, that means they are going to continue to have large population growth as those young people have children."

Nugent 说，人口增长率的统计数据也是具有预示作用的，"大多数发展中国家都有我们所说的青年膨胀，这就意味着当这些青年人有了后代之候，他们仍然会有巨大的人口增长。"

The trigerieric hybrid involving Triticum, Leymus and Thinopyrum has been created by the cross between Octoploid Tritileymus and Octoploid Tritithinopyrum, and the morphology, fertility and cytology of the F1 hybrids was studied.

利用八倍体小滨麦和八倍体小偃麦杂交，创制出小麦－滨麦－偃麦草三属杂种，对杂种F1进行了形态学、育性和细胞学分析。

In Olmec iconography, vegetal motifs spring from similar clefts and orifices, alluding to the cthonic, ancestral sources of fertility and life.

在奥尔梅克影像学，植物图案的春天从类似的裂缝和孔洞，暗指cthonic，以及祖先的生活来源的生育能力。

This work is one of the most important bases of eliminating locusts. Studying the oogenesis of insects has important significance on demonstrating the reproductive mechanism and controlling locusts" fertility. At the same time, it"s an important means of studying the forecast of pests and the law of occurrence. It can reveal the law of ovipositing and explain the physiological basis of pests" occurrence, thus design "biorational insecticide.

研究昆虫的卵子发生对于阐明昆虫的生殖机理和控制繁殖具有重要的实践意义，是研究害虫预测预报和发生规律的一种重要手段，同时可以揭示昆虫大量产卵的规律，阐明害虫大发生的生理基础，从而设计出"生物合理的杀虫剂"，并为促进有益昆虫的大量繁殖提供理论依据。

The study showed: Sown grass in plum orchard can resist drought, hold water content, increase soil fertility, improve soil structure, improve the views of orchard. It was a kind of important cultivation technique in modern fruit production.

研究表明：李园生草可以抗旱、保墒，提高土壤肥力，增强果园的观赏效果，是现代果园生产的重要栽培管理技术。

Sown grass in plum orchard can not only resist drought,hold water content,increase soil fertility,improve soil structure,but also improve the viewing effect of orchard.It is a kind of important cultivation technique in modern fruit production.

李园生草不仅可以抗旱、保墒，提高土壤肥力，改善土壤结构，而且能够增强果园的观赏效果，是现代果业生产的重要栽培管理技术。

Sown grass mulch in orchard ; longan ; soil fertility ; growth〖HJ*2/7;

果园生草；龙眼；土壤肥力；生长

In recent years, with sexually transmitted diseases increase in incidence of reproductive tract inflammation such as prostatitis, epididymitis, orchitis, urethritis incidence and severity of the increase in serious impact on male fertility.

近年来随着性传播疾病发病率的提高，生殖道炎症如前列腺炎、附睾炎、睾丸炎、尿道炎的发病率和严重程度有所增加，严重影响男性的生育能力。

A new study reports a significant increase in the number of young males with a mumps-related testicle condition called mumps orchitis, which causes one or both testicles to swell and can lead to fertility problems.

一项新研究中报道说：在年轻男性中，患有跟腮腺炎有关的睾丸疾病的人数有了显著增加。这种病被称为腮腺炎性睪丸炎，会引起一个或两个睾丸肿胀，导致生育问题。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。