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我国是地球化学性普遍缺碘的国家之一。20世纪60-80年代水碘普查和局部调查证实,我国31个省区市普遍为外环境碘缺乏地区。碘缺乏病在我国流行广泛且危害严重。
Our country is one of the countries where geochemistry generally lacks iodine. In the 1960s and 1980s, the Iodine Surveys and local surveys confirmed that 31 provinces and cities in our country were generally iodine-deficient areas outside the environment. Iodine deficiency disease is widespread and harmful in our country.