这项研究也证明了肥胖和死亡率之间的直接关系。
The study also demonstrated a direct link between obesity and mortality.
今天，国家采用计划能够得以执行是资金增加的结果，它直接影响到婴儿死亡率的改善。
Today, country plans for introduction are being implemented as a result of increased financing and this has directly contributed to improvements in infant mortality.
这项研究被认为，首先要确定烟草使用和结核病的感染和死亡率之间的直接联系。
The study is described as the first to identify a direct link between tobacco use and rates of TB infection and death.
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