外科医生在不知道病人评价的情况下，使用优秀，良好，中等和差这四个等级来评估手术的总体结果。
The surgeon, blinded to the patient's evaluation, rated the global outcome of surgery as excellent, good, fair, or poor.
外科医生在不知道病人评价的情况下，使用优秀，良好，中等和差这四个等级来评估手术的总体结果。
The surgeon, blinded to the patient's evaluation, rated the global outcome of surgery as excellent, good, fair, or poor.
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