求翻译：了强制的或倡导式的强化政策。国外营养强化的食物载体有面粉、米、油、奶酪等。针对这种措施进行的所有科学研究都表明：在基本食物中加入强化添加剂起到了很好的作用。比如智利政府大力敦促在牛奶中加入铁，结果使婴儿贫血的患病率降低了 66%之多。食物强化措施的成本极低，在食用油中添加维他命 A 的成本，每公升还不到 0.10 美元，而食品强化总体上的成本收益率至少是 1:8。是什么意思？

Mandatory or advocacy to strengthen policy. Foreign fortified food carrier such as flour, rice, oil, cheese. The scientific research conducted for this measure are: to strengthen the basic food additives played a good role. For example, the Chilean government strongly urged adding iron in their milk

Compulsion or initiative -like strengthening policy.The overseas nutrition strengthens food carrier has the bread flour, the rice, the oil, the cheese and so on.All scientific research carries on which in view of this measure all indicated that,Joined the strengthened chemical additive in basic food

Or advocate the strengthening of policies of coercion. Nutrient-enriched food carriers abroad, such as flour, rice, oil, cheese. For such measures to all scientific studies are that: include enhancing additives in the basic food has played a good role. Chile Government strongly urges joined the iron