3. Urges all Member States to take and strengthen national measures, as appropriate, to prevent terrorists from acquiring weapons of mass destruction, their means of delivery and materials and technologies related to their manufacture, and invites them to inform the Secretary-General, on a voluntary basis, of the measures taken in this regard;
3. 促请全体会员国酌情采取并加强国家措施，以防止恐怖分子获取大规模毁灭性武器、其运载工具以及与其制造有关的材料和技术，并请各会员国在自愿的基础上向秘书长通报这方面已采取的措施；