incidence是什么意思，incidence的意思翻译、用法、同义词、例句
incidence英标
英:/'ˈɪnsɪdəns/ 美:/'ˈɪnsɪdəns/
常用解释
发生率
词性
复数:incidences
类别
CET4,CET6,考研,IELTS,GRE
常用词典
n. 发生率；影响；[光] 入射；影响范围
例句
This policeman has handled several violence incidences.
这位警察已经处理了几起暴力事件。
The point of incidence of the beam is just at the junction of the two planes.
光束的入射点刚好在两个平面的接合处。
The incidence of maternal mortality has decreased with rising medical standards.
随着医疗水平的提高，孕产妇死亡率有所下降。
The incidence of getting a cold may decrease as medicine continues to improve.
随着医疗逐渐进步 感冒的发生率可能会降低
The incidence of breast cancer increases with age.
乳腺癌的发病率随着年龄的增长而上升。
Incidence of the disease is fairly evenly spread across Europe.
这种疾病的发生率在欧洲各地相当平均。
Authentic Italian cooking is very healthy—witness the low incidence of heart disease in Italy.
正宗的意大利烹饪对健康非常有益，在意大利心脏病发病率低就是证据。
His estimate of half a million HIV-positive cases was based on an extrapolation of the known incidence of the virus.
他的50万HIV阳性病例的估计是基于对已知病毒发病率的推断。
The incidence of this disease has dropped considerably in the past few years.
近几年这种病的发病率大大降低了。
常用搭配
incidence rate
发生率，发病率
incidence angle
入射角，迎角；安装角
angle of incidence
[计]入射角
normal incidence
正入射；垂直入射；法线入射
incidence matrix
关联矩阵
同义词
n.|infection/impression/effect/influence/affection;发生率；影响；[光]入射；影响范围
网络扩展资料
单词 incidence 通常表示某个事件或现象的发生率或频率。下面是一些例句和用法解释：
The incidence of crime has been increasing in the city. (犯罪发生率在这个城市中一直在上升。)
The incidence of heart disease is higher in men than in women. (心脏病的发病率在男性中比女性高。)
There has been a high incidence of flu in the area this winter. (这个地区这个冬天流感的发病率很高。)
除此之外，incidence 还有以下近义词：
frequency：表示事件发生的频率，与 incidence 含义相似。例如：The frequency of earthquakes in this region is quite high. (这个地区地震的频率相当高。)
occurrence：表示事件的发生，与 incidence 的含义相同。例如：The occurrence of accidents on this road has decreased. (这条路上的事故发生率已经下降了。)
另外，与 incidence 相对的词汇是 prevalence，既表示某种情况或疾病在某个特定时期内的存在程度。例如：
The prevalence of obesity in the US has been steadily increasing over the past decade. (在过去十年中，美国肥胖症的患病率一直在稳步增长。)
The prevalence of smoking among teenagers has decreased in recent years. (近年来，青少年吸烟的患病率已经下降。)
希望这些解释能够帮助您更好地理解单词 incidence。