This unintended impact has to do with the portrayal of conflict in media and how preschool-age children comprehend that conflict.

这种意想不到的影响，与媒体对冲突的描述、以及学龄前儿童对这种冲突的理解有关。

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Strategies for anaemia control in preschool-age children in sub-Saharan Africa should be tailored to local conditions, taking into account the specific etiology and prevalence of anaemia.

撒哈拉以南非洲地区学龄前儿童中的贫血症控制策略应该适合当地条件，考虑贫血症的特定病因和患病情况。

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Experts hesitate to put a figure on the number of toys children should have, but many believe two dozen is enough for children of preschool age.

专家们对儿童应该拥有的玩具数量还不能给出具体数字，但很多人认为24个对于学龄前儿童来说足够了。

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Additionally, Comcast will launch Disney Junior, a new 24-hour basic channel for preschool-age children, parents and caregivers.

ENGADGET: Comcast, Disney TV deal opens up access on multiple screens, tightens VOD strings

Before Tuesday's vote, Mar cited a study released this week by Yale University's Rudd Center for Food Policy and Obesity, which examined 12 popular restaurant chains and found only 12 out of more than 3, 000 kids' meal combinations met the nutritional guidelines for preschool-age children.

CNN: Mayor vetoes San Francisco ban on Happy Meals with toys

Kids who went to preschool in the mid-'60s were less likely to have been arrested several times by age 40, were more likely to have graduated from high school and were likely to earn more than non-pre-K kids studied.

CNN: Does pre-K work? Ask old people