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Another end-host-based solution is to shorten the time between a TCB entering the SYN-RECEIVED state and being recycled because it does not enter the next state. However, an obvious disadvantage of this scheme is that the attack can take advantage of ACK-SYN lost packets due to congestion or ACK packets completed by handshake, so that legally connected TCB will be recycled because the host is busy retransmitting these packets (because SYN-RECEIVED time is reduced). In addition, there is only a linear relationship between how much time the administrator reduces the SYN-RECEIVED state and the attacker's contract awarding rate. For the above reasons, this scheme is not recommended.　　同时，为创作出一部集思想性、艺术性和观赏性为一体的电视剧精品，《红军东征》剧组查阅了大量有关历史资料，并走访有关专家，深入到红军东征的实地吕梁地区进行深入研究调查，挖掘出了红军在此地弘扬革命民主及中华民族抗日统一战线的一系列事件。其中毛泽东享誉中外的诗词佳作《沁园春·雪》即是在革命时期的石楼所创作。剧中，除了勾勒出毛泽东、周恩来、彭德怀等中共领导人之外，以及一系列红军战士也进行了深刻的描绘和刻画，全面勾画出了一幅波澜壮阔的中国革命史诗。相比网上那些一波又一波讨论着碧瑶，其实康汪更加期待天启即将发表的小说。黄豆无辜地回道：不是你先问我的么？你先问我小葱姐姐的事，我才问你姐姐的事。2. As a Cheng Yuan who has been engaged in machine learning for more than two years, seeing the computer series you recommended also thinks it is very unreliable. I have read most of the books you recommended. In particular, novice readers are not recommended to read "Introduction to Algorithms" and "Data Mining: Concepts and Technologies". These two books are thick and heavy. Although the content is also good, you will not know the year of the monkey when you finish reading them. What does a novice need? It's getting started! Secondly, have you really finished reading Python Core Programming? This book is not for Python newcomers. It is very thick and difficult. It is very unfriendly to newcomers. And if you just want to be AI, then many parts of this book don't need to be used. Is web development and Django framework really necessary for our AI engineers? No. Xiao Bai has no distinction between key and non-key points in a book. He spent a lot of time learning unnecessary knowledge, which really does more harm than good. Giving guiding and targeted recommendations is responsible recommendation.The picture shows a 500 yen locker.18. Os.path.dirname (path)--return file path