Past researches agreed that this kind of positive regard should be the outcome of a comparison with a contextually relevant out-group, which was called in-group favoritism.
以往的研究一致认为这种积极评价是与外群比较的结果，并将这种现象命名为内群偏爱。
2
Results From comparison of the two therapy group, it turned out that semiconductor laser therapy can promote the nerve regeneration.
结果半导体激光照射治疗可以加速神经的再生，与无治疗组相比有统计学意义。
3
Methods a comparison was carried out between the airtight transfusion system without needle and the traditional intravenous injection group.