根据人的面部器官所遵循的比例关系，将人脸划分为若干个窗口，在窗口内对面部特征点进行检测。

We segment the face image into several "Windows" according to the prOportion relationship of organs and detect the feature points in each window.

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首先，我们将认知用户分为若干个簇，并选出簇头节点。

Firstly, we've divided the CR users into some clusters and chosen the cluster-head nodes.

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子网掩码主要用于确定IP地址中的网络号和主机号以及将一个大的IP网络划分为若干个小的子网络。

Subnet mask is mainly used to define the network number, host number of IP address and divide one heavy IP network into several subnets.

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