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6. Channel change signal: the right arm extends horizontally forward, the palm is left, and the right arm swings horizontally to the left;虽然都是官场应酬、虚词来往。Validator.add (registerForm.password, 'min Length: 6 ',' Password length cannot be less than 6 bits');　　姜洪武走了出来。十五年的牢狱生活让他忘记了外面世界的阳光。当那一米阳光照射在姜洪武脸上的时候，他并不知道其实迎接他的不是光明，而是更加无尽的黑夜。A game played according to basketball.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.