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洪霖听了嘴角一翘，遂放慢脚步，一边细细地打量这桃花谷中的野桃花，果与外面不同。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.范青匆匆而来，带来了江北最新消息。我们那时候也不能确定现在的玉米就是我弟弟。他们也为越王感到那么一丝为难，如何处理两位夫人的的关系……不过旋即也就释然了，尹旭贵为越王，今日这后宫之中定是美女如云，再正常不过，到时候定能水到渠成。这是一部混合类型的八集罪案剧，由丹麦-瑞典著名剧集《Bron/Broen》的主创人Hans Rosenfeldt创作。《Bron/Broen》你可能不熟悉，但你一定熟悉它的美国改编版（及英国改编版，及全球10多个国家的改编版）——《界桥谜案》（The Bridge）。这是Hans Rosenfeldt首次专门为英国电视市场开发的一部新剧，秉承了他一贯的风格：剧中任何一个角色随时都可能成为受害人、目击者或者嫌疑人。主人公Marcella Backland（Anna Friel）是一名年近40岁的女侦探，11年前因为结婚而离开了自己热爱的警察工作。Marcella的婚姻突然终结——她的丈夫Jason（Nicholas Pinnock）突然宣称自己不再爱她并快速离开了她——女儿又躲在寄宿学校里不肯见她，她只好回到既熟悉又陌生的大都会警署命案调查组重新探索自己的人生道路。上级立刻指派她调查一系列奇怪的谋杀案，这些新案件看起来与11年前发生的、始终未能侦破的多起谋杀案相似。Marcella早在2005年就曾调查过那些谋杀案，但因为当时她的第二个孩子不幸流产，悲伤的情绪严重影响了她的办案能力。或许是当年的凶手再次现身？或许是有人模仿作案？剧情将重点探索这名单身女侦探的心理世界，尤其是她处理一起有多名潜在嫌疑人和受害人的连环谋杀案时的心理世界。她的精神世界如此脆弱，她如何能很好地完成工作？她一心扑在工作上，就能找到她想要的答案吗？或者她的精神状态将把她引入更加危险的领域？另一方面，Marcella始终怀疑丈夫离开自己另有动机，于是在工作之余做了大量调查工作。糟糕的是，她的发现可能导致她更加心碎。