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人口回顾性调查
释义
人口回顾性调查
Encyclopedia
理学
人口统计学
释
a retrospective survey of population
人口回顾性调查
一种回顾性的,由结果探索病因的研究方法,是在疾病发生之后去追溯假定的病因因素的方法。又称回顾性队列研究。
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microbial nitrogen assimilation
microbial nitrogen transformation
microbial nutrient elements
microbial nutrition
microbial organic fertilizer
microbial pesticide
microbial pharmacy
microbial phosphorus transformation
microbial physiological ecology
microbial physiology
microbial plastics
microbial preservation
microbial radiation mutation breeding
microbial reaction
microbial reduction
microbial reference material
microbial remediation
microbial resources
microbial respiration
Microbial restructuring
microbial secondary metabolism
microbial secondary metabolite
microbial sensor
microbial single-cell genome
microbial source tracking
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