The non-proliferation nuclear mechanism is composed of the UN, IAEA and a series of international treaties, but nuclear proliferation is only limited by them on the basis of countries.

• 摘要联合国、国际原子能机构以及一系列的国际公约构成了国际核不扩散机制，但它们主要是从国家行为体的层面时核扩散问题作出了约束性的规定。