“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	level bottom community level breakdown level bubble level chamber level changer level classification of oil contained in cuttings level classified by government for collecting different taxes (of household) level compensation level constant level control circuit level-controlled level cross level crossing level-crossing effect Level crossing management level-crossiong effect level curve level degeneracy level density level design level diagram level difference level ellipsoid level error level function

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。