Prevalence
01
普及, 频率
the state or quality of existing or happening every commonly in a specific place or at a specific time
例子
The prevalence of smartphones has changed the way people communicate.
智能手机的普及改变了人们的沟通方式。
The study examined the prevalence of diabetes in urban areas.
该研究调查了城市地区糖尿病的患病率。
02
优势, 数量上的优势
a superiority in numbers or amount
03
流行率, 频率
(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
词汇树
prevalence
valence
val
