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.
目的 掌握广东省兴宁市鼠形动物群落结构及寄生蚤的种类。
Objective To study the community structure of the small mammals and the fleas in Xingning, Guangdong.
方法采用描述性流行病学方法对2004~2009年广东兴宁市狂犬病资料进行统计分析。
Methods The data of rabies incidence from 2004 to 2009 were collected in Xingning City and analyzed.
方法采用描述性流行病学方法对2004~2009年广东兴宁市狂犬病资料进行统计分析。
Methods The data of rabies incidence from 2004 to 2009 were collected in Xingning City and analyzed.
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