o 总之，美国在原子能机构监测下将超过 50 公吨的过剩高浓铀稀释为低浓铀。监测费用全部由美国负担。
○ In total, the United States has down-blended more than 50 MT of excess HEU to LEU under IAEA monitoring. The cost for this monitoring was covered in full by the United States.