population-based cohort study是什么意思

population-based incidence是什么意思 population-based cohort study是什么意思 the population-based Rotterdam Study 如何翻译? Exposure-based study 和 Population-based study 的不同?请问Exposure-based study 和 Population-based study 的不同之处?麻烦解释下每个的特征~ population population population 3coh名称 (ch3) 3coh的结构式怎么画如图. 醛的官能团是-COH为什么不对 为什么醛基不能写成-COH? population意思 population是什么意思 PoPulation意思 翻译句子,最好是直译.Monthly Report Provisional estimates Final estimates Notes) Figures may not add up to the totals because of rounding. Based on the 2010 Populations Census, Final estimates for this month's population will be computed 5 英语翻译Monthly ReportProvisional estimates Final estimatesNotes)Figures may not add up to the totals because of rounding.Based on the 2010 Populations Census,Final estimates for this month's population will be computed 5 months later using updat 请直译以下几句话,Monthly Report 不要意译.Monthly ReportProvisional estimates Final estimatesNotes)Figures may not add up to the totals because of rounding.Based on the 2010 Populations Census,Final estimates for this month's population wi 请直译以下几句话,不要意译.Monthly ReportProvisional estimates Final estimatesNotes)Figures may not add up to the totals because of rounding.Based on the 2010 Populations Census,Final estimates for this month's population will be computed