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After the founding of the People's Republic of China in 1949, most countries did not care for us, so they had to fall into the arms of Big Brother Soviet Union and learn from the Soviet model. In the later practice, China's diplomacy slowly groped and accumulated more experience and lessons. It has established diplomatic relations with many Western countries. With the help of poor brothers in Asia, Africa and Latin America, it passed Resolution 2758 at the 26th session of the UN General Assembly in 1971, restoring China's legal seat in the UN, and normalizing diplomatic relations with Japan in 1972.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.宇宙历元年，地球上所有的人们都在大肆庆祝，平时热闹非凡的北武市海滩显得空空荡荡，只有一个少年——周毅火孤单的坐在海滩上，他正通过一种机器装置，和他的海豚朋友KIMMY聊天，向它诉苦，因为自己成绩下降不少,物理考试不及格，父母不带他去参加盛大的庆祝活动。就在这时，他被几道剧烈的光亮吸引，好奇心下，前去寻找。他发现光亮是从自己家邻居楠博士的房间中传出的，于是躲在窗外一探究竟。这里是被人称为疯狂科学家的楠博士，他正在进行一项神秘的实验。博士手中的一张神秘卡片引起了周毅火的注意，这张卡片看上去非常古老，博士对卡片也是小心翼翼格外重视，博士经过精确的计算，通过一种装置给卡片分别注入了六种颜色的能量，奇怪的事情发生了，卡片突然发生巨变，卡片被六种能量激活，打开了一道空间之门，将楠博士吸了进去，消失的无影无踪……　　与曹雪言别后，徐天在邮箱里意外发现一封匿名恐吓信。信中暗示到当年那场事故，威胁徐天要以命偿命。果然，徐天身边的亲友陆续面临险境。徐天终于信以为真，前妻艾华(应急大队成员)亲自赶到酒店，却发现徐天已经中毒。当徐天得知艾华即将嫁给周静之(应急队长，自己的前战友)时，有意疏远艾华。我现在就去看看不知道杨大傻他爹得了信儿怎么想。"My baby is due in mid-September, because I have a lot of baby supplies in my house and the room is full of them. I will definitely not use them up myself. My baby products are more used by newborn babies, as well as net beds, milk pots, braces, etc., many, many! If you need it, trust me privately! Most of them are brand-new, because my friend opened a baby store before and then closed down, so he sent me too many baby products. "