请输入您要查询的字词:
单词
历史性队列研究
释义
历史性队列研究
Encyclopedia
医学
历史性队列研究
释
historical cohort study
历史性队列研究
研究开始时,待研究的结局已出现,根据研究者已掌握的在过去某时点(时期)进入队列时是否有暴露(如是否吸烟)或研究时间段内暴露的多少(如从进入队列到发病前累计的吸烟量)等相关资料进行研究对象分组的研究。又称回顾性队列研究、非即时性队列研究。
随便看
Hebei People's Radio
Hebei provincial archives
Hebei Provincial Library
Hebei Publishing & Media Group Co., Ltd.
Hebei Qianheshan Shengji Ziran Baohuqu
Hebei Qinglong Dushan Shengji Ziran Baohuqu
Hebei Qingyazhai Guojiaji Ziran Baohuqu
Hebei Qu
Hebei-Rehe-Liaoning Pictorial
Hebei Road
Hebei Saihanba Guojiaji Ziran Baohuqu
Hebei Sanfengshan Shengji Ziran Baohuqu
Hebei Science and Technology Museum
Hebei-Shandong-Henan Border Area Revolutionary Memorial Hall
Hebei Sheng
Hebei Shooting Range
Hebei Sport University
Hebei Tuoliang Guojiaji Ziran Baohuqu
Hebei University of Chinese Medicine
Hebei University of Technology
Hebei water conservancy
Hebei Weichang Hongsongwa Guojiaji Ziran Baohuqu
Hebei Weichang Hongsongwa National Nature Reserve
Hebei Weichang Yudaokou Shengji Ziran Baohuqu
Hebei Wulingshan Guojiaji Ziran Baohuqu
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/1/27 8:31:57