请输入您要查询的字词:
单词
prospective study
释义
prospective study
Encyclopedia
医学
〔医学心理学绪论〕
释
prospective study
前瞻性研究
按照研究对象是否暴露于某因素或暴露于某因素的不同水平,将其分为暴露组和非暴露组,然后随访一定时间,观察和比较这两组的发病率或死亡率,以检验该暴露因素与疾病发生有无联系的假设是否成立的研究方法。是分析流行病学研究中重要方法之一,又称队列研究(cohort study)、发生率研究(incidence study)、随访研究(follow-up study)及纵向研究(longitudinal study)。
随便看
oil-gas-water three phase flow experiment
oil-gas-water three-phase flow regime
oil & gas well drilling techniques
oil gathering lines
oil gathering process
oil gathering process for crude blending with vapor
oil gathering process for high pour-point crude oil
oil gathering process for hydraulic piston pump production
oil gathering process with branching network
oil gathering process with loop single pipe and mixing water
oil gathering process with mixing active water
oil gathering process with mixing light crude oil
oil gathering process with mixing white oil
oil gathering process with radiating network
oil gathering process with steam drive
oil gathering process with steam huff and puff
oil gathering process with three-pipe heat tracing
Oil Geophysical Prospecting
oil hammer-shaped vase
oil-immersed regulator
oil immerser load switch
oil immersion
oil immersion objective
oil immersion wire
oil-impregnated bearing
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:2025/10/15 0:03:35