中国青少年研究中心的一项调查显示，学校事故是导致小学生和中学生死亡的最大原因。
A survey done by the China Youth and Children Research Center showed that school accidents kill more elementary and middle school students than anything else.
青少年医学和儿科档案杂志报道说，研究是基于对中国1000名平均年龄在15周岁患有抑郁和精神紧张的青少年调查得来。
The study assessed 1, 000 teenagers in China with an average age of 15 years for depression and anxiety, reports the journal Archives of Paediatrics and Adolescent Medicine.
同年，中国的调查结论是，年轻网民中，有网瘾的占百分之13.2，目前用的最多的一个数据是青少年有网瘾者达二千万人。
Here, a 2005 survey concluded that, among young Internet users, 13.2 percent fell into the category. Most media reports put the number of addicts at 20 million.
青少年医学和儿科档案杂志报道说，研究是基于对中国1000名平均年龄在15周岁患有抑郁和精神紧张的青少年调查得来。
The study assessed 1,000 teenagers in China with an average age of 15 years for depression and anxiety, reports the journal Archives of Paediatrics and Adolescent Medicine.
我现在在中国，调查如今的中国青少年中普遍存在的一个问题。
Here I am in China, investigating a problem that is common among Chinese teenagers today.
从1985年开始，中国进行了四次全国青少年体质健康调查。
Since 1985, China has carried out 4 health surveys on the physical quality of youth.
根据本周二最新发布的一项针对数学素养、科学素养和阅读素养的全球调查，中国上海青少年的学习素养位居全球之首。
Teenagers from the Chinese city of Shanghai have the best education in the world, according to a major international study of standards in in maths, science and literacy released Tuesday.
青少年调查显示：中国学童不快乐的最主要原因，是来自庞大的升学压力。
The pressure forced on them to study by the schools is the main cause of unhappiness for Chinese students.
目的对中国重庆青少年特发性脊柱侧凸（AIS）进行遗传流行病学调查，以确定遗传因素在发病中的作用及其遗传模式。
To investigate the genetic epidemiology of adolescent idiopathic scoliosisAISin ChongqingChinaand determine the effect of genetic factors in the pathogenesis and the genetic model of AIS.
根据本周二最新发布的一项针对数学素养、科学素养和阅读素养的全球调查，中国上海青少年的学习素养位居全球之首。
Teenagers from the Chinese city of Shanghai have the best education in the world, according to a major international study of standards in in maths, science and literacy 1 released Tuesday.
根据本周二最新发布的一项针对数学素养、科学素养和阅读素养的全球调查，中国上海青少年的学习素养位居全球之首。
Teenagers from the Chinese city of Shanghai have the best education in the world, according to a major international study of standards in in maths, science and literacy 1 released Tuesday.
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