达尔文死于1882年，无缘享受现今的任何诊断技术。科恩只能凭达尔文的症状历史记录去猜测他所患的疾病。
Darwin died in 1882 and none of the diagnostic techniques used today existed. Cohen could only guess at his ailments from historic records of his symptoms.
症状目录对匹配日志记录和其他信息进行映射，并提供解决问题的建议和操作。
The symptom catalog maps matching log records with additional information including recommendations and actions to resolve the problem.
研究人员还采用了两份不同的调查问卷，分别记录父母的心理健康状况和抑郁症状。
The researchers used two separate questionnaires to record the overall mental health and depression symptoms of the parents.
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