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　　铁匠铺二徒弟林成锋,在八路军团长崔洪年的影响感召下,走进了革命队伍,而师哥孟德彰则参加了国军,两个人选择的道路不同,却同时爱着师妹韩雅兰。在一系列感情纠葛、爱恨情仇中,最终却与真爱失之交臂。表面上，贺言是一个游手好闲吊儿郎当的男人，但实际上，他的内心里一直留存着游戏制作人的梦想。在了解到了贺言的梦想后，朵朵对他刮目相看。一场意外中，贺言坠楼双腿无法行走，陷入了人生的低谷，是朵朵不离不弃的陪伴在他的身边，鼓励他重新振作起来。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.Shanghai!是啊。