单项选择题
A.Morse电码B.FANO码C.HUFFMAN码D.BCD码
A.定长,变长B.定长,定长C.变长,变长D.变长,定长
A.13/20B.7/20C.37/60D.23/60
A.0.8bit/符号B.0.4bit/符号C.0.5bit/符号D.0.6bit/符
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