This type of change usually occurs as the result of a strategic change or a major crisis such as a threat against system survival.

这种类型的变革的发生通常是由于战略改变或者大危机例如系统生存威胁。

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Researchers sought to find out if the type or size of the flu virus affects its survival.

研究人员试图探究流感病毒的存活力与其种类或大小之间是否存在关联。

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Secondary endpoints included objective response rate, one-year survival rate, overall survival, PFS assessment by chemotherapy type and safety.

二级终点包含了目标反应率，一年生存期，总生存率，化疗类型和安全性PFS评估。

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The survival rate for one type of cancer afflicting young patients chronic myelocytic leukemia has increased from 0% in the early 1980s to 75%.

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In results from a late-stage trial released in August, Vidaza was shown to have increased the survival of patients with a high-risk type of MDS from 15 months to 24 months.

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Being of a familiar type did not guarantee a male success and survival, but it brought pretty good odds with it.

ECONOMIST: Female spiders are picky lovers