Individuals can reduce the risk of HIV infection by limiting exposure to risk factors. Key approaches for HIV prevention include.
人们可以通过限制对风险因素的暴露程度降低艾滋病毒感染风险。
Safety investment and its cost benefit are two key factors limiting the safety output of a city.
城市安全投入与安全经济效益是制约城市安全产出的两个关键因素。
Water and nutrient deficiencies are two key factors of limiting the development of dryland agriculture.
水分不足和养分缺乏是制约广大旱农地区农业生产的两个关键因素。
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