Derived data is redundant because it派生数据是冗余的,因为它:()?
(A)Is a backup for the primitive data是原始数据的备份
(B)All所有
(C)Is only calculated data仅为计算数据
(D)Has the same name as primitive data与原始数据同名
(E)Is transformed primitive data是转换后的基元数据 答案解析:
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