composite death rate

例句：

1. 1. The study found that the compositedeath rate in the city was 2% higher than the national average.
   研究发现，该市的复合死亡率比全国平均水平高出2%。
2. 2. The government has been working ona plan to reduce the composite death ratein the country.
   政府一直在努力制定一个计划，以降低该国的复合死亡率。
3. 3.The report highlighted the importance of addressingthe composite death rate in the region.
   报告强调了解决该地区复合死亡率的重要性。