“prevalence study”的概念、定义、翻译、参考文献-科学参考

单词	prevalence study
释义	prevalence study Encyclopedia 医学现况研究释 prevalence study现况研究通过收集特定时点和特定范围内人群中疾病（或健康状况）及有关因素的资料，描述所研究疾病（或健康状况）及有关因素在目标人群中的分布状况，进行比较分析，以提供病因线索的研究。
随便看	evengrained even graph even group even half-spinor even half-spin representation even illumination Evening Bell Evening Courie evening glow evening group Evening Liaison Evening News Evening News Navigation evening newspapers Evening Post Evening Prayer evening primrose family evening primrose oil Evenings on a Farm Near Dikanka Evening Star evening star evening twilight evening university even integer even integral lattice

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