Down Syndrome syndrome is the most common genetic cause of mental reactionretardation.

唐氏综合症是最常见的引发智力缺陷的遗传因素.

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Most people with Down Syndrome syndrome are mildly to muderily retargatemoderately retarded.

大多数唐氏综合症的患者有重度或中度的反应迟钝.

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As Down Syndrome syndrome are living longer.

事实上,唐氏综合症的患者现在活的更长了.

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Down Syndrome syndrome is the most common genetic cause of metal retardation mental retardation.

唐氏综合症是最为常见的基因遗传的智力迟钝.

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Down syndrome syndrome may have an increased risk for Alzheimer's disease at an early age.

唐氏综合症的患者在早年患老年痴呆的风险加大了.

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