Of the nuclear weapon states, parties to the NPT, only China undertook not to use or threaten to use nuclear weapons against non-nuclear-weapon states or nuclear-weapon-free zones under any circumstance.
在《不扩散条约》核武器国家缔约国中，只有中国保证在任何情况下都不对无核武器国家或无核武器区使用或威胁使用核武器。