Under it, Iran would give up most of its uranium stockpile in return for enriched fuel for a medical reactor.
根据这份合约，伊朗将放弃它的大多数储备铀以换取医用反应器的高浓度燃料。
2
Under that arrangement, Russia is providing the enriched uranium fuel for the reactor.
根据有关安排，俄罗斯正在为这个核反应堆提供浓缩铀。
3
In particular, prompt action is needed on implementing the plan to use Iran's own low-enriched uranium to refuel the Tehran research reactor, which is used to produce medical isotopes.