伊朗核问题协议中的一句英文,请翻译成汉语

伊朗核问题协议中的一句英文,请翻译成汉语Beginning when the line for conversion of UF6 enriched up to 5% to UO2 is ready, Iran has decided to convert to oxide UF6 newly enriched up to 5% during the 6 month period, as provided in the operational schedule of the conversion plant declared to the IAEA.（UO2是氧化铀,UF6是氟化铀,IAEA是国际原子能组织）