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儿童触网低龄化：31.9%的5岁儿童上网时长超30分钟
source link: http://tech.sina.com.cn/i/2017-09-25/doc-ifymenmt6647328.shtml
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来源：北京青年报今日社评本报评论员 潘洪其网络对儿童而言也是一把“双刃剑”，一方面可以让儿童更早接触现代人必备的网络知识和技能，为他们打开通往无远弗届的未知世界的大门；另一方面，过早触网也容易让儿童沉溺于网络游戏等虚拟
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