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可是要说拒绝，他还有没有这个勇气。It is easy to see that OvR only needs to train N classifiers, while OvO needs to train N (N-1)/2 classifiers, so the storage overhead and test time overhead of OvO are usually larger than OvR. However, in training, each classifier of OVR uses all training samples, while each classifier of OVO only uses samples of two classes. Therefore, when there are many classes, the training time cost of OVO is usually smaller than that of OVR. As for the prediction performance, it depends on the specific data distribution, which is similar in most cases.影片主要讲述了在城墙根下一个不起眼的街巷中，有一家“解忧理发店”，来这里理发的客人可以随意吐露心声，老板阿权都会耐心地听每一位顾客讲述他们的故事，阿权自己的内心也有一个小世界，他坚信流星雨到来的时候，所有的愿望都能实现，可是却没人相信。直到有一天他遇见了身患绝症的女孩叶蓁蓁，俩人互生情愫……该剧讲述了就像我的家人、我的邻居一样极其现实人物的日常故事。The CAD Move shortcut key is "m".黄豆进入翰林院，青木担心他一人在京城孤单，又惦记他跟黄初雨的婚事，便跟爹娘商议，要回京城去。