comparison group
对照组
例句
Result: The observation group health educa来自tion effect obviously surpasses the comparison group ( P
结果：观察组健康教育效果明显360问答优于对照组（P
There were no架体而操苏略t significant difference on the CNV areas among e帮程欢依清其xperimental groups and comparison group.
图像分析测得上象限角膜新生血管面积实验组与对照组比较差异无显著意义
