A scale is a set of levels or numbers which are used in a particular system of measuring things or are used when comparing things. When scale factors are required, they can be applied with additional compute. 继续返回说scale函数，其实上述scale的标准写法是z1<-scale (present [,2:4],center = true,scale=true)，只不过center平均值和scale标准差都是默认为true，即计算的时候默认.
我认为里面提到的scale应该指的是channel数量——width宽度，resolution指的分辨率，这个毫无疑问。 证据有两个： 其一，论文中关于base model efficientnet b0的结构显示，有三个信.
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