对照心理学家之前建立的词库，找出围脖留言中表达积极或者消极的字眼，衡量出该微博的情感幸福感。
Specifically, they measured the emotional content of the tweets as reflected in the presence of positive or negative words from a lexicon previously established by psychologists.
研究中，一些小鼠被暴露于持续的声光刺激环境中三天，以诱发心理应激。而对照组小鼠没有被置于类似的环境。
In the study, some mice were exposed to constant light and noise for three days to induce psychological stress. For comparison, other mice weren't exposed to those stressors.
方法采用问卷调查、心理训练和自身对照的方法对79名军校护理专业本科生的心理健康和心理训练效果进行研究。
Methods the mental health and the effect of mental education in 79 military nursing undergraduates were investigated with questionnaires, mental education and self-control.
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