这项研究也证明了肥胖和死亡率之间的直接关系。
The study also demonstrated a direct link between obesity and mortality.
该国的婴儿死亡率已达历史最低。
The nation's infant mortality rate has reached a record low.
他们的年死亡率大约是全球平均水平的两倍。
Their annual death rate is about twice that of the global average.
然而，扎伊尔的情况更糟，死亡率高达90%。
However, Zaire, with its 90% mortality rate, was even worse.
美国公路上的死亡率是其他路段上死亡率的一半。
The death rate on highways is half that of all other U.S. roads.
最严重的是不断增加的死亡率，尤其是成熟树木的死亡率。
The most serious is increasing mortality, especially of mature trees.
第二个问题是所有这些对于死亡率的效果。
这项研究发表在《发病率与死亡率周报》上。
The study appears in the journal Morbidity and Mortality Weekly Report.
不必要——至少当你考虑死亡率时是不必要的。
目前尚不清楚究竟是哪种病毒引起的死亡率上升。
Which virus is responsible for the increased mortality is not yet clear.
胖人在车祸中有较高的受伤率和死亡率，其原因尚不清楚。
The reasons for the higher injury and death rates are far from clear.
这仅有的一度能使某些欧洲国家的死亡率翻倍。
This single degree doubled the mortality rate of some European countries.
一般说来，除小猪仔外，死亡率低下。
目前，预防、筛选和早期治疗对降低死亡率十分重要。
For now, prevention, screening and early treatment are crucial to lowering the death rate.
由于目前尚无定论，它可将儿童死亡率减半。
For reasons still being debated, it cut childhood mortality in half.
死亡率，和房地产一样，和地点息息相关。
现在，死亡率正在下降。
“仅靠一次研究很难评估其对死亡率的影响，”他说。
"It's hard to assess effects on mortality from just one study," he said.
当国家变得更富有，人们可能认为女性死亡率将会下降。
One might expect female mortality to fall as countries get richer.
这也降低了儿童死亡率。
现在，艾滋病的死亡率正在下降。
研究表明，心血管疾病是死亡率最高的疾病之一。
Cardiovascular disease is the biggest cause of mortality in the world, the study said.
我们可以救活更多的人，保持极低的死亡率。
We have techniques to save people. We can keep mortality rates low.
死亡率在下降，因为我们能够很早作出诊断。
The death rate is falling because we are able to make the diagnosis so early.
溺水造成的伤亡将近占全球总死亡率的10%。
因出血死亡率分别为4.9%和5.7%。
这是出生率与死亡率平衡的问题。
穿孔率和死亡率分别为5.6%和4%。
穿孔率和死亡率分别为5.6%和4%。
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