Premature birth is the main cause of perinatal mortality.
早产是围产期死亡的主要原因。
The nation's infant mortality rate has reached a record low.
该国的婴儿死亡率已达历史最低。
Infant mortality is a reliable barometer of socio-economic conditions.
婴儿死亡率是社会经济状况的可靠指标。
The study also demonstrated a direct link between obesity and mortality.
这项研究也证明了肥胖和死亡率之间的直接关系。
However, Zaire, with its 90% mortality rate, was even worse.
然而，扎伊尔的情况更糟，死亡率高达90%。
The most serious is increasing mortality, especially of mature trees.
最严重的是不断增加的死亡率，尤其是成熟树木的死亡率。
Infant mortality in Palestine refugees is among the lowest in the Near East.
巴勒斯坦难民的婴儿死亡率是近东地区最低的。
By the 1740s, about the time that infant mortality was dipping, the drink was common.
到18世纪40年代，大约是婴儿死亡率下降的时候，这种饮料已经很常见了。
Infant and maternal mortality rates went down 132 percent and 147 percent respectively.
婴儿和产妇死亡率分别下降132%和147%。
The poor turned to water and gin and in the 1720s the mortality rate began to rise again.
由于穷人改喝水和杜松子酒，在1720年代，死亡率再次上升。
My interpreter, who is a doctor, and I were on a mission to photograph maternal health and mortality issues.
我的翻译是一名医生，他和我执行拍摄孕产妇的健康和死亡问题的任务。
The grass grows up to four metres tall and burns fiercely, creating super hot fires that cause catastrophic tree mortality.
草长到四米高，剧烈燃烧，所造成的特大火灾导致树木灾难性的死亡。
The Mediterranean groups had lower mortality rates in all age brackets and from all causes, particularly from heart disease.
所有年龄层中，地中海组由各种原因尤其是心脏病导致的死亡率更低。
Back in the early 1990s, we never would have suspected that population growth would have turned negative because of AIDS mortality.
在20世纪90年代早期，我们从未想到人口增长会因为艾滋病死亡率而变为负增长。
In the late 1970s, the infant mortality rate for the children of illiterate mothers was around 110 deaths per thousand live births.
在1970年代后期，在文盲母亲所生的孩子中，婴儿死亡率约为每1000名活胎婴儿中有110个夭折。
In the Amazon, my colleagues and I found the mortality rate for the biggest trees had tripled in small patches of rainforest surrounded by pasture land.
在亚马逊河流域，我和我的同事们发现，在被牧场包围的一小片雨林中，最大的树木的死亡率增加了两倍。
A closer look at the fertility behavior of the poor is important because of the extensive literature on the "replacement effect" of high infant mortality.
仔细研究穷人的生育行为是很重要的，因为有大量关于婴儿高死亡率的“替代效应”的文献。
Since dolphins rid their bodies of the compounds rapidly once exposure ceases, their mortality rate should decline rapidly if such boat paints are banned.
由于海豚一旦停止接触，它们会迅速地将身体里的化合物清除，所以如果禁止使用这种船用油漆，它们的死亡率就会迅速下降。
To achieve giant stature, a tree needs three things: the right place to establish its seedling, good growing conditions and lots of time with low adult mortality.
要想长得高大，一棵树需要具备三个条件：合适的育苗地点、良好的生长条件和大量低成虫死亡率的时间。
Others have suggested that the harvesting of vertebrate and invertebrate predators of Acanthaster could have reduced mortality and caused increased abundance of adults.
还有人认为，捕捞棘冠海星的脊椎动物和无脊椎动物捕食者可以降低死亡率、增加成年个体的数量。
Some research suggests that the explanation for rising rates of mortality, mental-health problems, and addiction among poorly-educated, middle-aged people is a shortage of well-paid jobs.
某项研究表明，在受教育程度低的中年人当中，死亡、心理健康问题以及染上毒瘾的比例不断上升，要归因于缺乏高薪水的工作。
The document concludes that the high risk of infant, child, and maternal mortality is associated with pregnancies where mothers are too young, too old, or have already had several children.
该文件的结论是，婴儿、儿童和产妇死亡率高的风险与母亲年龄太小、太大或已经有几个孩子的怀孕有关。
In 1985, after the National Literacy Crusade had ended, the infant mortality figures for those who remained illiterate and for those educated in primary school remained more or less unchanged.
1985年，在全国扫盲运动结束后，那些仍处于文盲状态的妇女和接受过小学教育的妇女生出来的的婴儿的死亡率基本没有变化。
The unusually high mortality rate among dolphin calves in the industrially contaminated waters along Florida's Gulf Coast is probably the result of their being poisoned by their mother's milk.
在佛罗里达海湾沿岸被工业污染的水域中，海豚幼崽异常高的死亡率可能是被它们母亲的乳汁毒害的结果。
Mortality from lung cancer is still increasing.
死于肺癌的人数仍在上升。
She has suddenly come face to face with her own mortality.
突然，她已经与死神面对面了。
After her mother's death, she became acutely aware of her own mortality.
她母亲去世后，她开始强烈意识到自己的生命是有限的。
Disseminated strongyloidiasis has a 90% mortality.
弥散性圆线虫病的死亡率为90%。
Too few proteins lead to night blindness, perifollicular hyperkeratosis, xerophthalmia, increased morbidity and mortality in young children.
蛋白质太少会导致夜盲症，滤泡性角化过度，干眼症，幼儿发病率和死亡率增加。
That in turn has cut child mortality.
这也降低了儿童死亡率。
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