“case-crossover study”的概念、定义、翻译、参考文献-科学参考

单词	case-crossover study
释义	case-crossover study Encyclopedia 工学环境流行病学释 case-crossover study病例交叉研究选择急性事件分别调查事件发生时及发生前后的环境暴露情况及程度，进而判断环境暴露因素与该事件有无关联及关联大小的研究方法。
随便看	lean strategy Leap leap leap day leap filament leapfrog algorithm leapfrog circuit leap-frog integration scheme leapfrog method leap frog scheme leap-frog scheme leapfrog scheme leap function leap month leap second leap second adjustment leap year learnability learned behavior learned behaviour learned helplessness Learned Men(Remnant of Seven Sages of the Bamboo Grove) Learned Publishing learner learner-centered design

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。