We included both parallel group and crossover trials.
我们同时纳入平行组别与交叉设计的试验。
Parallel group studies did not identify a significant difference.
平行组别研究并未呈显显著差异。
The results from the split-mouth trials were consistent with those of the parallel group trials.
分口试验的结果与平行分组试验一致。
There is a striking parallel here in that the group one elements have a tendency to want to give up electrons, F Cl Br whereas the fluorine, chlorine, bromine, have a tendency to attract electrons.
这儿有高度的相似性,每个组都有,失去电子的趋势的,相反的,则是有得电子的趋势。
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