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以2001年计,中国大陆地区有12.8亿人,其中23%是15岁以下的儿童。①我国4～14岁的儿童平均每天接触电视的时间为2小时22分钟。从幼儿园到初中毕业的12年
In 2001, there were 1.28 billion people in mainland China, of whom 23% are children under 15 years of age. ① The average daily contact time of children aged 4-14 in our country is 2 hours and 22 minutes. 12 years from kindergarten to junior high school