The complex realities of most countries grappling with zinc deficiency pose challenges to the implementation of highly compliant, mandatory, large-scale food fortification programmes.

中文翻译：

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食品强化计划和锌缺乏症


大多数国家都面临锌缺乏的复杂现实，这对实施高度合规、强制性、大规模的食品强化计划提出了挑战。