它大大降低了交通事故的发生率。
从那时起，图表上的数据已经显示了飓风发生率在下降。
在政府垄断烟草销售的Gandania，与吸烟有关的健康问题的发生率在过去20年里稳步上升。
In Gandania, where the government has a monopoly on tobacco sales, the incidence of smoking-related health problems has risen steadily for the last twenty years.
近年来致命交通事故发生率已经下降。
Fatal road accidents have decreased in frequency over recent years.
它见证了意外溺水事故发生率的增长。
妊娠40周后羊水过少和羊水过多的发生率明显更高。
The incidence rates of oligoamnios and amniotic fluid muddy 40 weeks after pregnacy were significantly highter.
闭经组多毛症、多囊卵巢发生率明显高于高于月经稀发组。
The incidences of hirsutism and PCO were obviously higher in the amenorrhea group than in the oligomenorrhea group.
使用碘帕醇-370或碘克沙醇-320后，接受心血管造影术的高危患者中CIN 发生率是相当的。
The rate of CIN in high risk pts undergoing cardiac angiography is comparable after administration of iopamidol-370 or iodixanol-320.
卫生教育降低了腹泻病的发生率。
The health education caused a decline in the incidence of diarrhoeal diseases.
特别是，巴西的发生率要低于美国。
In particular, a lower rate has been reported in Brazil than in the United States.
塞拉利昂的攻击发生率为1/692。
Sierra Leone's average incident rate was one attack for every 692 Web surfers.
报道的嗜内脏型疾病的发生率因不同地点而异。
The rate of reported viscerotropic disease varies in different settings.
癌症发生率遗传检测在临床上不适用。
低胆固醇含量的人其致命的心脏病发生率明显降低。
Lowering cholesterol levels markedly reduces the incidence of fatal heart attacks.
攻击的发生率相应地在增长，而且主要发生在其他宠物上。
The incidence of attacks, mostly on other pets, has grown accordingly.
肺癌在这些肺结核患者中的发生率比非肺结核患者高11倍。
The incidence of lung cancer in these tuberculosis patients was 11 times greater than people without tuberculosis.
研究显示在过去三年中那些日照较多地区的视觉问题发生率猛增。
The study shows a sharp increase in the incidence of vision problems in the sunny regions over the past three years.
在繁忙的边界可能存在允许吸烟酒吧地方，事故发生率尤其的高。
Accident rates can be especially high where border-hopping to still-smoky bars is possible.
三年之后，这些妇女髋关节骨折的发生率低于同龄人的平均水平。
After three years, these women showed a much lower rate of hip fractures than is average for their age.
需要进行研究以探讨手术和麻醉错误发生率方面地域差异的原因。
Research is needed to explore the reasons for geographical differences in the incidence of surgical and anaesthesia errors.
我们没有这类发生率的数据，但我们知道文献记载里有很多病例。
We don't have any incidence data like that, but we know there are many case reports in the literature.
在女性人流后前置胎盘发生率会6- 15倍于常人。
Placenta previa occurs 6 to 15 times more often after a woman has had an abortion.
此研究预估了指定地区特定疾病的发生率以及经常吸二手烟的人数。
The study used estimates of the incidence of specific diseases and of the number of people exposed to second-hand smoke in particular areas.
事实是，在现代文明社会中，严重暴力犯罪发生率非常低。
The fact is that serious crimes of violence occur at remarkably low rates in modern societies.
这就是所谓的“隐性”心脏病发作，它的发生率令你难以想像。
It's called a "silent" heart attack, and it happens more often than you might think.
虽然轻微并发症的发生率可能超过30%，但严重并发症的几率低于3%。
Though the rate of minor complications can exceed 30 percent, the incidence of more-severe complications is less than 3 percent.
其次是尼安萨省，该地区的HIV感染发生率在肯尼亚位居榜首。
The next greatest increase was in Nyanza province, which has the highest prevalence of HIV infection in Kenya.
同时研究人员发现，维生素与心脏病或死亡的发生率没有相关联系。
Researchers also found no link between using vitamins and the risk of heart disease, or death.
在中国的某些地区，MDR - TB的发生率已经达到了世界最严重的程度。
Parts of China had some of the highest rates of MDR-TB in the world.
在中国的某些地区，MDR - TB的发生率已经达到了世界最严重的程度。
Parts of China had some of the highest rates of MDR-TB in the world.
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