Five of their top ten involved nutrition: vitamin supplements for children, adding zinc and iodine to salt and breeding extra micronutrients into crops (like those sweet potatoes).

十大事业中的前五项就包括营养：儿童补充维生素，食盐加锌和碘以及农作物增加微量元素(如红薯)。

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In 1955, Switzerland began adding fluoride to its salt to prevent dental cavities.

在1955年，瑞士开始向盐中添加氟化物，以防止龋齿。

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You can harden a hashed password further by adding salt (a cryptographically secure random value) to the hash.

通过向哈希中添加salt(密码安全随机值)，可以进一步强化哈希密码。

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The latest development allows geophysicists to tweak algorithms on the fly--in effect, adding a little more salt here or more sandstone there to see if it helps to smooth out the image.

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