RESEARCH DESIGN AND METHODS In a parallel group design study, 30 subjects were randomly assigned and completed one of the two eucaloric diets.
研究设计和方法采用对比设计研究，随机选取30名研究对象指定完成其中一个饮食。
It was favourable for improving the reliability of VRLA group to adopt redundancy design technique and the parallel serial coupling manner.
采用冗余设计技术和先并后串的组合方式有利于提高蓄电池组的可靠性。
All the sub-studies were randomized, placebo-controlled, double-blind and had a parallel-group design.
所有研究均为随机、空白- 对照、双盲的平行设计试验。
All the sub-studies were randomized, placebo-controlled, double-blind and had a parallel-group design.
所有研究均为随机、空白- 对照、双盲的平行设计试验。
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