1. nn.Conv2d
nn.Conv2d(int_c, out_c, kernel-size=(3,3), stride = (1,1), padding=(1,1))
2. nn.BatchNorm2d
nn.BatchNorm2d(num_feature) #特征图数目
3. F.avg_pool2d
F.avg_pool2d( input_data, kernel-size)
nn.Conv2d(int_c, out_c, kernel-size=(3,3), stride = (1,1), padding=(1,1))
nn.BatchNorm2d(num_feature) #特征图数目
F.avg_pool2d( input_data, kernel-size)