Community nurses mastered commonly the knowledge of prevention and health care, but lack of the theory and skill of health education.

社区护理人员基本掌握了预防保健的相关知识，对健康教育相关理论与技能知识的掌握不够。

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Due to lack of "AIDS prevention" knowledge, from rural to urban migrant workers as "AIDS prevention" work in more vulnerable areas.

由于缺乏“防艾”知识，从农村流向城市的务工人员成为“防艾”工作中的较脆弱环节。

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Parents' lack of drowning prevention knowledge and insufficient cares to their children are the major reason.

儿童溺水死亡的人数居高不下，主要缘于家长缺乏预防儿童溺水意识。

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