A child must have six or more of the following characteristics, including at least two from the first category and one each from the second and third categories.

自闭症患儿必须表现出下列特点中的六种或六种以上，其中至少要包括第一项下的两种，第二项和第三项下各一种特点。

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The plants child element contains many plant child elements, each of which contains further information about that plant, including the name, description, quantity and price.

plants子元素又包含很多plant子元素，每个plant子元素包含关于该花卉的补充信息，比如说名称、描述、数量和价格。

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It is estimated that first child triggers an increase of 21 hours of chores per week, not including childrearing, while each additional child adds 6 hours of chores.

据估计，第一个孩子会使每周要多做21个小时的家务杂货，其中还不包括抚养孩子，而每增加一个孩子就要多做6个小时的家务活。

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Unicef says eradicating polio from Pakistan depends on delivering oral polio vaccines to each and every child, including the most vulnerable and the hardest to reach.

BBC: UN issues warning on Pakistan polio rates

The UN's children fund, Unicef, has said that eradicating polio from Pakistan depends on delivering oral vaccines to each and every child, including the most vulnerable and the hardest to reach.

BBC: Polio strain spreads to China from Pakistan