(net, from_layer, out_layer, use_bn, use_relu, num_output,
kernel_size, pad, stride, dilation=1, use_scale=True, lr_mult=1,
conv_prefix='', conv_postfix='', bn_prefix='', bn_postfix='_bn',
scale_prefix='', scale_postfix='_scale', bias_prefix='', bias_postfix='_bias',
**bn_params)
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