在食盐碘化已至少进行一年的地方，人群中的碘状况已取得确凿的改善。
Where salt iodization has been in place for at least a year, improvement in iodine status within the population has been overwhelming.
达盖尔发明的照相法和英格兰福克斯·塔尔博特的碘化银纸照相法出现在同一时期。
The work on the Daguerre process was taking place at the same time as that of Fox Talbot in England on the calotype process.
二十世纪90年代，当碘化运动开始时，全球碘缺乏国家最集中的区域是中亚内陆的前苏联加盟共和国。
In the 1990s, when the campaign for iodization began, the world's greatest concentration of iodine-deficient countries was in the landlocked former Soviet republics of Central Asia.
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