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Compared with the general support of parents in fencing, table tennis, swimming and other events, weightlifting always makes parents have many worries, which also brings a lot of difficulties to the city sports school in selecting materials. Liu Eryong said that weightlifting events rarely took the initiative to send children. After Pingdu, Laixi and other districts and cities held primary school games, the district and city sports schools called them to recommend some young people. The city sports schools sent coaches to go down and have a look. They mainly selected athletes with good explosive force, fast speed, physical fitness and joints, such as shot put, sprint, long jump and high jump students. After the selection, I will talk to the parents of the students, which is the most difficult link. "We all go to work at home, but parents worry a lot. They are afraid that their children will not be able to practice weightlifting for a long time. They are afraid that their children will suffer hardships. Many children are willing to practice and parents are reluctant to say anything. We just watch the good prospects waste. It's a pity. But when I really came to the sports school and started weightlifting, The average parent also slowly discovered that weightlifting was different from what they imagined and supported their children. Therefore, although we chose five or six of the 10 young people, not many people quit halfway. Unless they did not get any results, the average parent could stay and concentrate on the practice until they reached the provincial team, the national team or entered the university. "杨长帆沉声道，时间不多。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.当然，他们一辈子都没见过日本人，更不要提什么深仇大恨，来的目的也十分明确——赚钱。感觉帐内气氛沉闷，他一咬牙抬起头，只怕……只怕队长也不是他对手。《Search Out》改编2013年俄罗斯社群网路流传的「蓝鲸游戏」。电影描述同住考试院的晟敏与俊赫，某天获知考试院里和他们关系良好的妹妹自杀了，当晚晟敏却收到了那个女孩SNS传来的讯息。两人开始质疑这场自杀背后是否有阴谋，他们找上骇客Nuri，欲从女孩的SNS寻找蛛丝马迹。电影想传达的议题正是：SNS对我们来说到底是什么存在？日常传送讯息的SNS曾几何时成为了犯罪管道？小国和奈美是一对关系要好的姐妹，然而父母正在闹离婚，同时她们所上的小学也面临着废校的危机。为了留下美好的回忆有同学提议组队参加舞蹈大赛，妹妹奈美跃跃欲试，而姐姐小国却提不起兴致，奈美苦于得不到姐姐的支持，此时随着转学生风香的到来，事情似乎有了转机。