The cast did succeed, but you should use a conversion routine.
转换成功，但应使用转换例程。
If you need the conversion routine, resolve this error by making the interface a class or derive a class from the interface.
如果您需要转换常式，请将介面变成类别或从此介面衍生一个类别，便可解决这个错误。
Iran's conversion of uranium, laser enrichment and fuel production programs have already been placed under the routine safeguards monitoring.
伊铀转化、激光浓缩、燃料制造等项目已经转入正常保障监督。
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