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题目内容
(河南农业大学-毕业论文)
8.
检索钙(calcium)用于食品(food)或者饲料(feed)的添加剂(additive)的英文信息,检索式是:()
(A) calcium and food or feed and additive
(B) (calcium and food or feed) and additive
(C) calcium and(food or feed)and additive
(D) (calcium and food) or (feed and additive)
检索钙(calcium)用于食品(food)或者饲料(feed)的添加剂(additive)的英文信息,检索式是:()
(A) calcium and food or feed and additive
(B) (calcium and food or feed) and additive
(C) calcium and(food or feed)and additive
(D) (calcium and food) or (feed and additive)
参考答案