METHODS: Theefficacy of control group and experiment group were observed and compared.

方法：采用对照组和实验组的疗效观察。

youdao

The flow recovery time, the creatinine level and pathological changes were compared with that before operation, in sham operation group, control group and experiment group.

比较假手术组、对照组和实验组的肾脏血供恢复时间、血肌酐变化情况以及肾脏病理形态的改变。

youdao

New health education were carried on in experiment group and traditional health education in control group.

对实验组实行新的健康教育，给对照组实行传统的健康教育。

youdao

That way you have a randomly selected control and treatment group, just like in a laboratory experiment.

FORBES: What We Need Is A Randomized Minimum Wage