这次行动将等级升到了国际等级体系的最高，这个体系是1989年由一个专家小组制定的并被国际原子能机构监督。
The action lifts the rating to the highest on an international scale designed by an international group of experts in 1989 and is overseen by the International Atomic Energy Agency.
伊朗在星期一向国际原子能机构提交了其最新核设施的细节，说是它已经建立了第二个“试验性”提炼工厂，与其接受国际原子能机构监督、位于纳坦兹(Natanz)附近的工厂规模相当。
Iran sent details of its latest nuclear facility to the IAEA on Monday, saying it had established a second "pilot" enrichment plant, parallel to the one monitored by the IAEA near the city of Natanz.
有关合作符合两国各自承担的国际义务，完全用于和平目的，并接受国际原子能机构的保障监督。
Our cooperation is consistent with the two countries' respective international obligations, entirely for peaceful purpose and subject to IAEA safeguard and supervision.
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