Could it be the prevalence of tea in their culture?
是因为茶在他们的文化中流行而造成的吗？
Epidemiological studies have found that children with PDD have no higher prevalence of gastrointestinal tract than normal children.
流行病学研究发现，广泛性发育障碍（Pervasive Developmental Disorder）孩子和正常孩子相比较并没有更高的胃肠道患病率。
The prevalence of several silkworm diseases has led to a decline in silk products. Especially in France, the silk industry has never recovered.
几种桑蚕疾病的流行导致了丝绸产品下滑。特别在法国，丝绸工业再也没有恢复。
It's been well documented in extensive research over the years that prevalence rates for the majority of the anxiety disorders are higher in women than men.
多年来的广泛研究已经充分证明，大多数焦虑症在女性中的患病率要高于男性。
If amino acids are found, it would be especially interesting if they show a prevalence of one type of handedness, either left, like amino acids on Earth, or right.
如果发现了氨基酸，并且它们普遍表现出同一种偏向性——要么像地球上的氨基酸一样是左旋的，要么是右旋的，那将会格外有趣。
A prevalence of left-handed amino acids would indicate they were biological in origin.
如果左旋氨基酸占大多数的话，就说明这些氨基酸从根源上来说是具有生物性的。
It's an atlas of the distribution and prevalence of helminth diseases, including roundworm, hookworm, and whipworm.
这是一个寄生虫疾病分布和预防的图集，其中包括了蛔虫、钩虫和鞭虫。
One large scale study in Maryborough, Victoria, Australia showed the prevalence of mid-frontal baldness increases.
在澳大利亚维多利亚州马里伯勒进行的一项大规模研究表明，中额秃顶的患病率呈上升趋势。
the prevalence of world hunger ...
世界性的饥荒......
HIV's prevalence is dropping in southern India.
在印度南方艾滋病病毒的流行也开始有所下降。
The continent has extremely high prevalence of hunger.
在非洲大陆，饥饿现象极为普遍。
Estimated TB incidence, prevalence and mortality, 2009.
2009年估计的结核发病率、流行率和死亡率。
Of developed nations, the US had the highest prevalence.
美国是发达国家中糖尿病患病率最高的国家。
HIV testing during pregnancy in high prevalence areas.
艾滋病高发地区的孕期HIV检测。
More recent research shows a considerably higher prevalence.
最近更多的研究表明这种行为相当普遍。
The prevalence of English speakers helps to sell services in America.
普遍的英语应用使得在美销售服务成为可能。
But the prevalence of food deserts is almost certainly overstated.
但是食物沙漠的普及程度似乎夸大其辞了。
But experts attribute the prevalence of LDRs today to a number of factors.
但专家指出，异地恋的流行是有一些现实因素的。
Especially troubling is the rising prevalence of tobacco use among girls.
少女烟草使用率持续上升尤其令人不安。
Especially troubling is the rising prevalence of tobacco use among girls.
少女烟草使用率持续上升尤其令人不安。
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