目的了解广东省兴宁市城乡中小学生视力不良状况。

Objective To study the poor eyesight situation of the students in the Xingning city and countryside.

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城乡结合部中小学生面临的心理困境有日趋增多的趋势。

Psychological trouble which the students are facing at intersection of urban-rural primary and secondary schools has increased day by day.

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