Malignant tumor's ratio of proportional mortality rate increased year by year, many district malignant tumor mortality rates also had the obvious trend of escalation.
三峡库区恶性肿瘤在死因构成所占比例逐年增加，各区县恶性肿瘤死亡率也呈现明显的上升趋势。
The mortality rate of the infected larvae was directly proportional to temperature.
罹病虫的死亡速率与饲虫温度成正比。
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