Chromosomal abnormalities are thought to account for 10 to 20 percent of cases and duplication of chromosome 15q11-13 is the only recurrent aberration so far linked to the disease.

有人认为，染色体异常可能会占孤独症病例的百分之十到二十，而15q11-13区段的染色体重复，是目前唯一所知的能和孤独症相关联的异常。

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Texture, recurrent number of object and the area of object are not taken into account in conventional low-dimension image association rules. So the relevant image knowledge can't be mined out.

传统的低维图像关联规则没有考虑纹理要素以及对象的重复出现次数、对象的面积大小，与此相关的图像知识无法挖掘出来。

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