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Occurrence of liver carcinoma is a synergistic action by multiple factors which include virus infection, carcinogen, oncogene activation, anti-oncogene inactivation, liver cell apoptosis, failure of proliferation regulation and so on.
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肝癌的发生是一个多因素协同作用的过程，这个过程中包括病毒感染、致癌物的作用、癌基因的激活和抑癌基因的失活、肝细胞的凋亡和增殖调节失控等多因素多环节。 |
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Occurrences of silent earthquakes are also being reported in areas where flank failure is not an issue.
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在一些未有边坡崩坍问题的地区，也有无声地震的发生。 |
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Occurrences: specify where your search terms occur on the page - anywhere on the page, in the title, or in the url.
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事件:指明您搜索条件发生了一页-页的地方,在标题或者举报. |
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Occurring at a suitable or opportune time; well-timed.
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及时的在一个适当或适宜的时间发生的；适时的 |
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Occurring at the same time as and usually altering the course of another disease.
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并发的和另一种病同时发生，并通常改变另外一种疾病的症状的 |
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Occurring before in time; earlier.
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先前的时间上先发生的；较早的 |
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Occurring by chance; fortuitous.
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侥幸的碰巧发生的，幸运的 |
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Occurring or done at an inappropriate time; inopportune.
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不适当的在一个不适当的时候出现的或做的；时间上不利的 |
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Occurring without disruption.
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无事故的，正常的没有出现破坏的 |
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Occurring, living, or working along a seacoast.
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发生、生活或工作在海岸边的 |
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Occurs in young and middle-aged men.
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好发于青壮年男性。 |
