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生态趋势研究
释义
生态趋势研究
Encyclopedia
医学
生态趋势研究
释
ecological trend study
生态趋势研究
连续观察目标人群中某因素平均暴露水平的改变和某种疾病的发病率、死亡率变化的关系,了解其变动趋势;或者通过比较暴露水平变化前后疾病频率的变化情况,来判断两者间关系的群体研究。
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equity cash flow
equity crowdfunding
Equity incentive
equity in health care utilization
equity in health service utilization
equity in higher education
Equity intensive capital structure
equity investmnt
equity law
equity method
equity refinancing
equity transaction
equiuniformly continuous
equiv
equivalence
equivalence assessment of a translated scale
equivalence between formal grammar and automaton
equivalence by completion
equivalence by dissection
equivalence class
equivalence classes of extension of a group
equivalence class of extensions of a group
equivalence condition
equivalence criterion
equivalence law
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