设有如下一组推理规则 : r 1 : IF E 1 THEN E 2 (0.6) r 2 : IF E 2 AND E 3 THEN E 4 (0.7) r 3 : IF E 4 THEN H (0.8) r 4 : IF E 5 THEN H (0.9) 且已知 CF(E 1 )=0.5, CF(E 3 )=0.6, CF(E 5 )=0.7 。求 CF(H)=?
【单选题】我们课本中学习的经典模型有几层? How many layers are there in the classical model of learning in our textbooks? fig1-21-The TCP IP reference model.png As mentioned earlier, the strength of the OSI reference model is ...