In fact, this is the level of hypertension prevention.
实际上，这也是对高血压病的一级预防措施。
Their medical professional level is low, especially to children's disease and prevention health care.
乡村医生医疗专业水平较低，尤其对儿童疾病的诊治和预防保健能力较低。
The basic measure for prevention of the secondary salinification is to control the groundwater level.
土壤次生盐渍化防治的根本措施是调控地下水位。
Educate and train all level members for safety, health, environment, fire prevention and traffic.
教育和培训所有层次员工的安全，健康，环境，防火和交通相关知识。
Educate and train all level members for safety, health, environment, fire prevention and traffic.
教育和培训所有层次员工的安全，健康，环境，防火和交通相关知识。
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