请输入您要查询的字词:
单词
队列研究统计学设计
释义
队列研究统计学设计
Encyclopedia
医学
流行病学研究的统计学设计
释
Cohort study
队列研究统计学设计
从目标人群选取未患某研究疾病的代表性样本,按是否暴露于某个可疑因素分为暴露组(或不同暴露水平的亚组)和非暴露组,随访观察一段时间后,比较不同组(或亚组)之间疾病的发病率或死亡率差异,从而判定暴露因素与疾病有无关联及关联大小的一种分析性研究方法。
随便看
airborne geophysical inference and interpretation
airborne geophysical integrated survey
airborne geophysical interpretation map
airborne geophysical navigation position technology
airborne geophysical software
airborne geophysical survey
airborne geophysical survey for mineral resources
airborne geophysical survey in basic geological survey
airborne geophysical survey method
airborne gravimeter
airborne gravimetry
airborne gravity anomaly
airborne gravity data correction
airborne gravitydata transformation processing
airborne gravity gradient measurement
airborne gravity gradient survey
airborne gravity gradiometer
airborne gravity gradiometry
airborne gravity scalar survey
airborne gravity survey
airborne gravitysurvey data processing
airborne gravity surveysystem
airborne gravity tensor survey
airborne high frequency communication
airborne highspeed serial bus
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:2025/6/7 17:03:41