Advanced statistical methods were then used to estimate the global prevalence of the disease.

随后使用高级统计学方法对全球糖尿病流行状况进行评估。

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In fact, early in our country a few years ago, the prevalence of the disease we have a concern.

其实，早在我们来几国前，有关该病的流行状况我们就已经关注了。

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The growing prevalence of the disease is often attributed to urbanization, fast-food diets, smoking and sedentary lifestyles characteristic of Western societies.

心脏病发病率攀升的现象往往被归咎于城市化、快餐饮食、吸烟以及久坐不动等西式生活方式。

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So, this just shows as the vaccine was distributed, given to more people, that prevalence of the disease dropped dramatically.

因此,这表明随着疫苗的推广,以及接种人数的增加,该疾病的患病率显著降低

耶鲁公开课 - 生物医学工程探索课程节选

Then, also emphasizing in the case of smallpox, how even after the scientific discovery was made, it took many, many decades for people to be able to produce the vaccine in large enough quantities and distribute it, so that you could think about making an impact on global prevalence of the disease.

同时重点就天花疫苗的发展展开了讨论,而即便当科学发现了天花病毒,仍然过了许多年,人类才能够,大规模生产并使用天花疫苗,由此你们可以了解到,在全球范围内,疫苗给天花以致命一击

耶鲁公开课 - 生物医学工程探索课程节选

Those same estimates say that if you could turn that around, that if the world could eat the recommended level of fruits and vegetables, that you'd reduce the prevalence of heart disease by 31%.

反过来说就是,如果大家都能食用适量的水果和蔬菜,那心脏病的普遍性将降低31%

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Also, the prevalence of the disease increases with age, meaning some people develop it as they age.

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The prevalence of the disease, the leading cause of amputation, more than doubles in this age group.

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Yet the prevalence of the disease has been rising among people of all races, ages and sexes for decades.

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