Baumuller BUM25-30/60-30-001 | 12mo | Free EU ping | Inc UK VAT Baumuller BUM60-VC-A0-0001 _ BUM60VCA00001 _ Art. Nr. 244464 BUM60-12/24-54-B BAUMULLER BUM61 40/60 54 B M 00 VC AC 1087 1204 Baumuller BUM61-20/30-54-B-0 + BUS 6V (BUM61 BUS6V BUM61-VC-A0-1036) ...
设7个字母“a”,“b”,“c”,“d”,“e”,“f”,“g”在通信中出现的频率分别为30%,20%,15%,15%,10%,5%和5%,则传输它们的最佳前缀码为 A. {0000,0001,001,01,100,101,11} B. {000,001,010,011,100,101,111} C. {000,001,010,011,100,101,11} D. {1,011,010,0011,...