DESIGN: a completely randomizedexperiment with self-control and mutual control.
设计:完全随机设计,自身及组间对照。
2
The study is the first to use data from a randomizedexperiment to learn about the connection between neighborhoods and risk of obesity and diabetes, he says.
该研究是第一次利用随机实验数据来获知社区与肥胖及糖尿病之间的联系,他说。
3
The effects of corn particle size on digestive tract development of young dairy goats were investigated studied by a single-factor completely randomizedexperiment.