Wearing lower degree convex lens can reduce incidence rate of myopia in primary school students.
配戴低度凸透镜可降低小学生近视的发生率。
Conclusion Wearing lower degree convex lens can reduce incidence rate of myopia in primary school students.
结论配戴低度凸透镜可降低小学生近视的发生率。
Objective To explore the influence of age, gender and heart rate on QT interval in healthy primary and secondary school students.
目的探讨年龄、性别、心率对健康中小学生Q - T间期的影响。
Objective To understand the infection rate of intestinal Helminthes and its tend among primary and high school students.
目的了解中小学生的肠道蠕虫感染率及发病趋势。
In recent years, the nearsightedness rate of primary and middle school students is showing an upward tendency, which has caused wide public concern.
近年来，中小学生视力不良检出率呈上升趋势，其视力健康问题已经引起越来越广泛的关注。
In recent years, the nearsightedness rate of primary and middle school students is showing an upward tendency, which has caused wide public concern.
近年来，中小学生视力不良检出率呈上升趋势，其视力健康问题已经引起越来越广泛的关注。
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