以上来源于: WordNet
Two parallel group trials found no significant difference in machine usage, whereas a cross-over study found a significant difference.
两项平行组别试验未发现机器使用有意义的差异，然而，一项交叉试验显示有意义的差异。
Walgren goes over what White said about the Beagle study under direct and cross.
Walgren过去说的关于“小猎犬号”白酒在直接和交叉研究。
The study used a "cross-over" design, which allowed each subject to serve as his or her own comparison group.
这个研究试验采用了交叉设计，这样每一个研究对象的对照组就是他（她）自己。
应用推荐