Though this might mitigate carbon dioxide emissions, it will mean a lot more enriched nuclear material generated and in many more countries.
虽然扩大核能发电规模可能减少二氧化碳排放，但也意味着会在多得多的国家，产生多得多的富集核材料。
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Scientists have long sought easier ways to make the costly material known as enriched uranium - the fuel of nuclear reactors and bombs, now produced only in giant industrial plants.