头颅钝器伤的严重程度不一。
这一方面因为同一种病毒在不同的人致病的严重程度不一，另一方面因为它可以演变。
This is partly because the same virus can be mild in some people and severe in others, and partly because it can evolve.
湿疹(有时候也称为皮炎)是一种皮肤炎症，可发生于所有年龄段，并且严重程度不一。
Eczema (or dermatitis as it is sometimes called) is a type of inflammatory skin condition which can affect all ages and can vary in its severity.
HCM可能是由一系列不同的基因突变造成的，突变基因的不同可能会导致症状的严重程度不一。
HCM can be caused by mutations in a number of different genes, and different gene mutations may result in more or less severe symptoms.
该研究在10名病情严重程度不一且临床表现稳定的慢阻肺患者练习时，分别提供了包括空气在内的四种不同的气体混合物。
In the study 10 clinically stable men with moderate to severe COPD were each given four different mixes of gases including room air, while they exercised.
科学家同时还发现受伤害的严重程度取决于病患的个人基因差异，不同的人生病的程度时不一样的。
The scientists also discovered that the severity of the injury depends on the genetic make-up of the affected individual.
表达性失语症的严重程度各个不一。
表达性失语症的严重程度各个不一。
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