prevalence是什么意思？

prevalence

英['prevələns] 美[ˈprɛvələns]

• n. 流行，盛行，普遍，（疾病等的）流行程度；

形容词：prevalent;

例句

• the prevalence of burglaries 盗窃盛行
• Beware of any number about the alleged prevalence of sexual dysfunctions! 对任何所宣称的性功能障碍的流行病统计资料要保持清醒的头脑!
• 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.
• 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%.
• Alertly, excessive drinking seemed to be the major riskfactor for high prevalence rate of mental deficiency ( 2.2 % ). 酗酒还可能是精神发育不全患病率高 ( 2.2% ) 的重要原因.
• 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。

柯林斯高阶英汉双解学习词典释义

• ADJ-GRADED
  流行的；盛行的；普遍的
  A condition, practice, or belief that is prevalent is common.
  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。 Smoking is becoming increasingly prevalent among younger women... 抽烟在年轻女性中变得越来越常见。

英汉词典释义

• n.
  流行,盛行;普遍,广泛
  the prevalence of burglaries 盗窃盛行

英英词典释义

• Noun
  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"

行业词典

• 医学： 患病率，流行率：在某特定时间内，人群中有某种疾病病例的数目；见rate下的prevalencerate，参见incidence；