1 . 预防
...c task):①促进健康(health promotion):加强自我保健,增强体质和心理健康;②预防(prevention):在发病前期.
2 . 防治
geologic features and disaster preventionfor industrial square in xinglong mine ., 兴隆煤矿工广工程地质特征及灾害防治.
3 . 防范
aid帮助, 援助prevention防止;预防;防范cavity腔, 洞
4 . 防
analysis of cholera prevalence , preventionand control in ganluo county of liangshan area ., 四川甘洛县霍乱流行及防控分析.