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A.1 B.16 C.24 D.8
A.BMP B.PSD C.TIFF D.SWF
A.每厘米的像素?cái)?shù)B.每英寸的像素?cái)?shù)C.每厘米的點(diǎn)數(shù)D.每英寸的點(diǎn)數(shù)
