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1·Smoking is a causative factor in several major diseases.

抽烟是引起几种严重疾病的病因。《牛津词典》

2·Both nicotine and carbon monoxide inhaled with cigarette smoking have been incriminated as causative factors.

与香烟一起吸入的尼古丁和一氧化碳已经被指控为诱发性因素。《柯林斯英汉双解大词典》

3·Anisakis simplex larvae is the most important causative agent of anisakiasis.

异尖线虫病的主要致病源是简单异尖线虫幼虫。

4·The causative pathogen is influenza virus.

病源是流感病毒。

5·So I think whatever you found, that's the causative mechanism.

因此我想你发现无论什么，那是成为原因的机制。

6·The only well-established causative factor is cigarette smoking.

胰腺癌唯一公认的致因是吸烟。

7·Identifying the specific causative agent is not always possible.

要鉴定特异的病因并不总是可能的。

8·Mycobacterium tuberculosis is the causative agent of tuberculosis.

结核分枝杆菌是造成结核病的致病菌。

9·Nursing disputes in pediatrics, Causative analysis, Countermeasure.

儿科护理纠纷；原因分析；对策。

10·Too small spacing among the plant stands is causative of the crop failure.

植株间间隔太小是作物歉收的原因。

(1)causative agent病原体；致病物