Initially, GATT consisted of only ___ basic parts.

So far as___interest is concerned, D P at sight is more favorable than D P after sight, and D P is more favorable than D exporter'sB、the importer'sC、the consumer'sD、the government's

A、the

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命令()表示多项式相乘

A.v
C：uv
D：conv(u,v)

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