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As mentioned above, SYN attacks can be prevented by increasing the backlog queue. In addition, reducing timeout time also enables the system to process more SYN requests. We know that the timeout timeout, that is, the half-connection lifetime, is the sum of the timeout times that the system waits for all retransmissions. The larger this value, the longer the half-connection takes up the backlog queue and the fewer SYN requests the system can handle. In order to shorten the timeout time, it can be realized by shortening the retransmission timeout time (usually the first retransmission timeout time) and reducing the number of retransmissions.大苞谷大怒，踢了他一脚道：猪油蒙了心的东西。马车飞奔，突然一声突兀的鸡鸣声出现。　　雷对于妻子的离去只知道怨天尤人，依然老是忽略自己的儿女。不过，这个周末，由于有事，前妻不得不把孩子送来让雷照顾。不同以往的是，天空突然阴云密布，几道闪电屡次击中街道，似乎有什么怪事即将发生。费瑞尔觉察到闪电有点不同寻常，但他不知道，一场毁天灭地的灾难即将来临。突然黎水（小雀）闷闷地应了一声，好像很不高兴的样子。Considering N categories C1, C2 …, CN, the basic idea of multi-classification learning is "disassembly method", that is, multi-classification tasks are disassembled into several two-classification tasks to solve. Specifically, the problem is split first, and then a classifier is trained for each split second classification task. During the test, the prediction results of these classifiers are integrated to obtain the final multi-classification results. The key here is how to split multiple classification tasks and how to integrate multiple classifiers.刘英和乔战勇生有二男二女，大女儿乔水兰已到了不惑之年，小儿子乔海明为而立了。儿女们都有了各自的家庭，过得都不容易。好强的刘英是这个家庭的支柱，几十年来她全权掌管着这个家庭的大小事宜，虽然文化程度不高，但是这个家庭都被她管得井井有条，相安太平。故事是从大儿子乔海洋的媳妇谢言怀孕开始。过了三十岁的大儿媳妇谢言，好不容易怀上了孩子，下海经商的海洋生意上不顺利，妻子又出现了妊高症迹象，正遭受着内外夹攻，这时，三妹夫范垒打来电话，告诉他母亲脑溢血住院了。乔家的支柱倒了，平静的生活被打破了，子女和他们的家庭全陷入了一片混乱之中。表现出中国固有的对“孝”这个字的理解和表现。老母亲被抢救过来以后，却落了个半身不遂。一贯好强的刘英陷入了从未有过的苦闷之中，生活起居全要靠人帮助，矛盾的焦点就集中在四个儿女如何料理二位老人的问题上来了。大姐夫在当地是局长，大姐虽然在家中很有面子，但其中的苦衷只有自己知道；二儿子海洋，媳妇谢言又要生孩子，生意又遇到重重困难；三女儿水灵因为丈夫范垒下岗了，生活困难不说，家中的地位