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String str= "Hello, World";《口水三国》是福利喵工作室制作的一部黑白定格动画。画风Q萌，配音犀利，还伴随着各种作死方式，每一集都给你不一样的感受！我们的黑白定格动画关爱社会特殊人群，所以请关爱我们的黑白定格动画，因为我们就像大熊猫一样稀有。讲述了一缕亡魂遇上侠士怜香，谱出一段穿梭阴阳的缠绵恋曲。"Animals? Is it our common animal? Still can fly? What is that?"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.该剧讲述的是1939年的上海，王家和洪家的年轻人，经历了种种的风雨考验，踏上了不同的人生道路的故事。JSON refers to the JavaScript Object Notation (JavaScript Object Notation)