Any new prevention modality must not undermine existing protective behaviours and prevention strategies that reduce the risk of HIV transmission.
任何新的预防方法必须不损害减少HIV传播风险的现有保护行为和预防战略。
A second major protective function of the skin is the prevention of invasive bacterial infection.
皮肤的第二个主要保护功能是防止侵袭性细菌感染。
Simultaneously, in accordance with the disaster mechanism, the maintenance and disaster prevention countermeasures are presented for brick-wood structure type protective buildings.
同时,针对砖木结构类保护性建筑的灾害机理,提出了这类保护性建筑的维护与防治对策。
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