4. Recognizes that the realization of a world free of nuclear weapons will require further steps, including deeper reductions in all types of nuclear weapons by all the nuclear-weapon States in the process of working towards achieving their elimination;
4. 确认为了实现一个没有核武器的世界，必须采取进一步措施，包括所有核武器国家在努力实现消除核武器的进程中，进一步裁减各种类型核武器；