“ecological study”的概念、定义、翻译、参考文献-科学参考

单词	ecological study
释义	ecological study Encyclopedia 医学生态学研究释 ecological study生态学研究以群体为观察和分析的单位，研究暴露因素与疾病（或健康状态）关联关系的流行病学研究设计，属于描述性研究的范畴。又称相关性研究。工学环境流行病学释 ecological study生态学研究在群体水平上研究环境曝露因素与疾病之间的关系，以群体为观察单位，描述环境曝露因素与疾病的频率，进而分析该曝露因素与疾病之间关系的一种描述性方法。
随便看	measurement of impurity profiling measurement of insertion loss measurement of in-situ rock stress measurement of laser energy measurement of laser parameters measurement of laser power or energy measurement of length measurement of lightning current with coaxial shunt measurement of lightning current with Rogowski coil measurement of line profile not related to a datum measurement of line profile related to a datum measurement of longitudinal mode measurement of loss of optical fiber measurement of loudness measurement of lower limb bones measurement of lower limb muscle measurement of magnetic field intensity measurement of magnetic fields measurement of magnetic properties measurement of magnetic quantities measurement of magnetic screen measurement of mineral magnetism measurement of Ming Great Wall measurement of momentum distribution measurement of motor parameters

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