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For codes of the same length, theoretically, the further the coding distance between any two categories, the stronger the error correction capability. Therefore, when the code length is small, the theoretical optimal code can be calculated according to this principle. However, it is difficult to effectively determine the optimal code when the code length is slightly larger. In fact, this is an NP-hard problem. However, we usually do not need to obtain theoretical optimal codes, because non-optimal codes can often produce good enough classifiers in practice. On the other hand, it is not that the better the theoretical properties of coding, the better the classification performance, because the machine learning problem involves many factors, such as dismantling multiple classes into two "class subsets", and the difficulty of distinguishing the two class subsets formed by different dismantling methods is often different, that is, the difficulty of the two classification problems caused by them is different. Therefore, one theory has a good quality of error correction, but it leads to a difficult coding for the two-classification problem, which is worse than the other theory, but it leads to a simpler coding for the two-classification problem, and it is hard to say which is better or weaker in the final performance of the model.这段时间，韩信攻占西魏国之后，听闻魏豹宫中有几个美女，刘邦顿时心念大动。Article 12 [Credit Management] The medical security administrative department of the State Council shall be responsible for the credit management in the field of medical security throughout the country and shall be incorporated into the social credit system. The specific measures shall be formulated by the medical security administrative department of the State Council.电影《咖啡风暴》在中国、意大利、比利时取景拍摄，讲述了三段感人至深的故事，展现了不同文化背景下多样的人文情怀。影片利用咖啡悠久的历史、丰富的味觉体验和地域差异等特征，展现了当代世界面临的种种挑战。在第四季首播集创造了FX电视台20年来的最高收视后，《美国恐怖故事》获得了第五季续订苏角惊骇道：汉军怎地突然变的如此强悍？是什么人竟想出了这样神奇的计策？…,章邯道：此战指挥之人名叫韩信，出现的时间似乎并不长久，被刘邦封为兵马大元帅。　　2016年国民制作的传奇电影＜鬼乡＞ 但是日军慰安妇被害者们真正的归乡还没有实现，如果说鬼乡是对日军慰安妇被害者们的记录和安慰，那么鬼乡，未完成的故事是我们传递的约定.