名词
中文翻译：生命指数
同义词：
['vitality index', 'vitality index']
例句：
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1.The health of the population is closely linked to the vital index of the economy.
人口健康与经济的生命指数密切相关。
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2. The study found that a higher vital index correlated with better health outcomes.
研究发现，更高的生命指数与更好的健康结果相关。
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3. The research team has developed a new method to calculate the vital index for various industries.
研究团队开发了一种新的方法来计算各行业的生命指数。