在DIALOG检索系统中,使用的进库命令是()。 A、SELECT(S)B、TYPE(T)C、BEGIN(B)D、COMBINE(C)E、EXPAND(E)

在DIALOG检索系统中,使用的进库命令是()。

A、SELECT(S)

B、TYPE(T)

C、BEGIN(B)

D、COMBINE(C)

E、EXPAND(E)


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