在特征融合时该方法将不同卷积神经网络模型提取的同一张奶牛躯干图像的不同特征先使用GAP层降维后再使用Concat方法进行融合。改写这句话

This method combines different features extracted from the same cow body image by different convolutional neural network models. The features are first reduced using a GAP layer and then fused using the Concat method.