There is a step up trend of seriousness of diseases in different levels of hospitals, but the difference is not substantial.
各等级医院收治病人的严重程度呈现一定梯度，但差异并不明显。
There is a step up trend of seriousness of diseases in different levels of hospitals, but the difference is not substantial.
各等级医院收治病人的严重程度呈现一定梯度，但差异并不明显。
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