prevalence
prevalence 英 ['prev(ə)l(ə)ns;'prevəl(ə)ns;'prevələns] 美 ['prɛvələns]
n. 流行；普遍；广泛
名词复数:prevalences
- Prevalence means there is a lot of something. If you get a bad grade on a paper for having a prevalence of typos, you need to proofread your work more carefully.
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- n. 流行；普遍；广泛
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1. There are also questions about the required number of treatments in low-prevalence areas and whether the Tanzanian results can be replicated for mass treatment in large areas.
人们也质疑，沙眼流行程度低的国家所需的治疗次数以及坦桑尼亚的结果是否能够在广大地区的大规模治疗中重复。
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2. During the last five years of its implementation, the project helped reduce TB prevalence rate by 20 percent and TB mortality rate by 33 percent in the institutions of the Federal Correction Service.
据联邦矫正服务局有关部门提供的数据，该项目在其五年实施期间发挥了帮助作用，结核病流行率降低了20%，结核病死亡率降低了33%。
- prevalence (n.) 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.
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