plant aetiology [植保] 植物病原学
treatment aetiology fallacy 治疗病因学谬误
aetiology of crime [法] 犯罪成因
child aetiology [儿科] 儿童病因学
paediatric aetiology [儿科] 小儿病因学
Aetiology and pathogenesis 发病机制
dermatological aetiology [皮肤] 皮肤病病因学
genetic aetiology [病理] 遗传病原学
Objective : The aetiology of chronic obstructive pulmonary disease(COPD) is very complex, and the pathogensis of COPD is not clear.
目的：慢性阻塞性肺疾病（chronic obstructive pulmonary diseaseCOPD）的病因很复杂，其发病机制尚不清楚。
参考来源 - 慢性阻塞性肺疾病患者病毒感染的研究Although some production departments and research institutions have showed much concern on corn sheath blight, there are only few people having made some reports about its biological character and aetiology.
虽然玉米纹枯病已引起生产部门和科研单位的关注，但仅有少部分人对玉米纹枯病生物学特征、病原学作了一些报道。
参考来源 - 玉米纹枯病抗性遗传的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The aetiology was obscure and the appropriate treatment debatable.
其病因不明，也无适当的治疗。
Further field and laboratory investigations are being performed to identify the aetiology.
正在开展进一步现场和实验室调查以查明病因。
Objective To study the aetiology and epidemiology of tick borne spotted fever in northeastern area.
目的对我国东北地区蜱传斑点热进行病原学和流行病学研究。
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