About 1 in 110 U. S. children have an autism-spectrum disorder, says the Centers for Disease Control and Prevention.

疾病控制和预防中心说，在110个美国儿童中，就有一个患有孤独症谱系障碍的人。

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Nationally, one out of every 150 children is diagnosed with autism spectrum disorder (ASD).

在全国范围内，每150名儿童中就有一名被诊断患有自闭症谱群疾病(asd)。

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Most such children come from families with at least two other youngsters who have an autism spectrum disorder.

大多数这样的孩子来自于至少有其他两个有自闭症症状孩子的家庭。

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In addition, the clinical picture for children with an autism-spectrum disorder is often complex.

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Of the 73 toddlers who were initially diagnosed with an autism-spectrum disorder, 13 of them, or 18%, no longer qualified for the diagnosis at age 4.

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Some experts have accused the DSM task force of making too many major changes with limited research evidence, such as eliminating Asperger's syndrome as a stand-alone diagnosis and subsuming it under an autism-spectrum disorder label.

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