方法：对广东省46名专业跳水运动员和30名中学生进行颈椎病的病史采集及物理检查，对颈椎病可疑对象拍摄颈椎X光；
Methods: the cervical problems of 46 divers and 30 middle school students were studied by history of the diseases, physical examinations and X-ray films taken in some of the suspected cases.
目的：调查兰州市中学生屈光不正的发病率并探讨近视发病的危险因素。
AIM: to assess the prevalence of refractive errors in middle school students in Lanzhou city and explore the risk factors for myopia.
如果你把什么事情搞糟了，别怨你的父母。做错了事之后，别光抱怨，从它们当中学点什么！
If you mess up, it's not your parents' fault, so don't whine about your mistakes, learn from them.
如果你把什么事情搞糟了，别怨你的父母。做错了事之后，别光抱怨，从它们当中学点什么！
If you mess up, it's not your parents' fault, so don't whine about your mistakes, learn from them.
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