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青莲生气地掀开被窝，示意娘看，一边道：刘平尿床了。本片讲述了在捕蛇村长大的小树，因为善良救下一只小蛇，取名“小花”。多年后，小树成为生物科研员，探寻基因的秘密，而别有用心的同事却利用小树，闯入捕蛇村的禁地——食人岛，岛上水汽弥漫，静谧又诡异，似乎有一双眼睛在盯着闯入者的一举一动……郑氏也不多嘴，任她想去，就听石头娘跟云影说孙子如何淘气，在家一会工夫也呆不住，满村闲逛。本片根据柴门文的漫画改编。Method 1: When selecting the last paragraph of the document, do not select the "paragraph mark", that is, you cannot select the paragraph by double-clicking in the blank space on the left side of the paragraph, and you can select it by dragging the mouse.BaseballFor 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.