nnppt .....\神经网络设计1 .....\.............\Ch10_pres .....\.............\Ch11_pres .....\.............\Ch1_pres .....\.............\Ch2_pres .....\.............\Ch3_pres .....\.............\Ch4_pres .....\.............\Ch5_pres .....\.............\Ch6_pres .....\.............\Ch7_pres .....\.............\Ch8_pres .....\.............\Ch9_pres