Vitamins are protectives against certain deficiency disease.

各种维生素都是保护物,能对抗某些养素缺乏症.

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The steady absence of one vitamin in an otherwise complete diet causes a deficiency disease.

饮食不均衡造成的某种维生素持续缺乏会引起营养缺乏症.

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Because of enrich foods, today deficiency disease are not as common as they once were.

由于丰富的食物, 今天缺乏症并不常见,因为他们曾经是.

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Objective To explore the effect of iodine deficiency disease ( IDD ) prevention and treatment iodized salt.

目的观察加碘食盐防治碘缺乏病 ( IDD ) 效果.

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Objective To explore the effect of iodine deficiency disease ( IDD ) prevention and treatment using iodized salt.

目的　观察加碘食盐防治碘缺乏病 ( IDD ) 效果.

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