Safeguard: (参见柯林斯英汉双解大词典)

(1) V-T To safeguard something or someone means to protect them from being harmed, lost, or badly treated. 保护; 保卫 [正式]

(2) N-COUNT A safeguard is a law, rule, or measure intended to prevent someone or something from being harmed. 安全条例; 防护措施 

当在文件中遇到“防范措施”一词时，可直接用“safeguards”表达，尤其是当用于表格中等比较精炼的位置，相当于“precautionary measures/prevention measures”，简洁明了，亦可体现原文的含义。以下为相关短语和具体实例，以加深对该词的理解：

safeguard mechanism 保障机制

safeguard against 防范；预防

例1 保护; 保卫

They will press for international action to safeguard the ozone layer.

他们将竭力要求国际行动来保护臭氧层。

例2 防范措施；防护措施 

As an additional safeguard against weeds you can always use an underlay of heavy duty polyethylene.

作为另外一种预防杂草的防护措施，你可以一直使用一层厚重耐磨的聚乙烯底垫。