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在我们的口袋里，在我们的手中，智能手机已经成为我们当代生活中不可抗拒的伙伴。社交媒体、在线订单、各种资料搜索……难以想象没有这些应用程序提供的加速与便利，我们每天的生活会是什么样子。 脸书、谷歌、亚马逊、户户送（英国线上外卖公司）、优步外卖、爱彼迎、缤客、探探……所有这些平台都能神奇地对我们的需求、我们的愿望、我们的欲望做出即时的回应。 以至于我们忘记了在这些应用的背后，每天都有成千上万的男性和女性在为这些应用的运行而工作。这部系列纪录片将带我们走进这些数字化低薪工作者的日常生活。你不懂。只是大王那边总让人感觉有些不大放心啊。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.然永平帝却不管这些，把胡御史叫了去大骂一顿，说他这个大伯不好好管教子侄，胡家养出这样不孝的东西来，祸害忠良。