两个单词的区别是:etiology指的是病因学,病源论。aetiology指的是原因之说明,原因论,病原。例句辨析:etiology1、 To investigate the etiology, diagnosis and treatment of abdominalcocoon. 探讨腹茧症病因诊断和治疗的方法。2、Objective To analyze clinical features and etiology of56 youth acute myocardialinfarction patients in our hospital. 目的对我院56例青年急性心肌梗死患者的临床特点及病因进行分析。3、This paper summarized the etiology, clinical manifestations, diagnosis, treatmentand so on. 现对此病的病因、临床表现、诊断、治疗等作一综述。aetiology1、The aetiology, clinical characteristics, and management of this case are discussed.将探讨病因,临床上的特徵以及处理方法。2、The aetiology of prolapse is multifactorial, including neuromuscular dysfunction andfascial defects. 子宫脱垂的病因是多因素的,包括神经肌肉功能障碍和盆底筋膜的缺陷。3、The article has done the detailed survey from such respects as aetiology characteristic, epidemiology, pathogenic mechanism, clinical symptom, etc. 文章从病原学特征、流行病学、致病机制、临床症状等方面作了详细的阐述,初步探讨了猪链球菌的治疗和预防方法。