Statistics on occupational mortality have been of greater value in these respects than in initiating the study of new aetiological agents.

不同职业的死亡率的统计对这些方面的价值较之对于开展新的病因研究的价值更大。

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The report pointed out that social and occupational factors normally play an important part in determining mortality.

报告指出，社会与职业的因素在正常情况下对死亡就有重要影响。

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With type B/AB, increasing age and possibly long-term occupational dust exposure were risk factors for lung cancer mortality.

在B/AB型血的人中，年龄增加和在职业中长期接触粉尘是肺癌死亡率最关键的因素。

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