primary school major education
primary school major education 小学专业教育 primary school education speciality 小学教育专业 ..
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primary school major education
小学专业教育
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In recent years, frequent primary and secondary injuries become a major problem, which disturbed normal school education and teaching activities.
近年来，频发的中小学生伤害事故成为困扰学校正常教育教学活动的一大难题。
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