1590s, "fact of having mastery," from Middle French prévalence (15c.), from Late Latin praevalentia, from praevalens, present participle of praevalere (see prevalent). Meaning "condition of being widespread or general" is from 1713.
prevalence 英文释义
1. the quality of prevailing generally; being widespread;
"he was surprised by the prevalence of optimism about the future"
2. (epidemiology) the ratio (for a given time period) of the number of occurrences of a disease or event to the number of units at risk in the population
3. a superiority in numbers or amount;
"there is a preponderance of Blacks in our prisons"
prevalence 双语例句
1. Despite its prevalence, schizophrenia has existed behind a wall of secrecy for years.
尽管精神分裂症患者为数众多，但多年来这种病一直被捂着掩着。
来自柯林斯例句
2. They were very surprised by the prevalence of anti - government sentiments.
他们对普遍存在的 反 政府情绪感到很吃惊.
来自辞典例句
3. Thus, the prevalence of the disease'should be significantly reduced " by the new regulation.
所以, 这种棉屑病应该通过落实新规章而“大大的减少 ”.
来自英汉非文学 - 环境法 - 环境法
4. It has to do with the prevalence and features of a disease in a population.
它研究人群中疾病的流行和特征.
来自辞典例句
5. And the overall contraceptive prevalence rate of married women of childbearing age has reached 83 percent.
已婚育龄妇女综合避孕率达到83%.
来自英汉 - 翻译样例 - 口语
prevalence 实用场景例句
This condition is more prevalent in women than in men...
这种病症在女性当中比在男性当中更为普遍。
柯林斯高阶英语词典
Smoking is becoming increasingly prevalent among younger women...
抽烟在年轻女性中变得越来越常见。
柯林斯高阶英语词典
It has to do with the prevalence and features of a disease in a population.
它研究人群中疾病的流行和特征.
辞典例句
The prevalence of AD was 6.06 % and in VaD was 1.83 %.
AD患病率为329%,VaD则为183%.
期刊摘选
Objective To study the prevalence of senile osteoporotic fracture and osteoarthritis in Guangzhou area.
]目的了解广州地区老年性骨质疏松性骨折和骨关节病的发生率.
期刊摘选
The results showed that the prevalence of depressive symptoms in this group is 38.0 %.
