9. Also calls upon all States to maintain the highest possible standards of security, safe custody, effective control and physical protection of all materials that could contribute to the proliferation of weapons of mass destruction;
9. 还呼吁所有国家对可能助长大规模毁灭性武器扩散的所有材料，保持最高的保卫、安全保管、有效控制和实物保护标准；