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The full name of DDoS is Distributed Denial of Service, which means "Distributed Denial of Service" in Chinese. Commonly known as flood attack, DDoS uses a large number of legitimate distributed servers to send requests to targets, thus causing normal legitimate users to be unable to obtain services.　　火水力荐亲信火腩（陈小春饰）为继承人，而这位曾手执西瓜刀、血洗百人斩的猛将，早就不复当年勇，而且天生厨艺出众的火腩，其经营的餐厅「义盛小馆」已为香港著名食府之一，子女又要上名校，太太逼他退下火线，要与家人乐融融，根本无心恋战。当年上刀山的豪情，落油锅的义气，在家庭年月中早消逝，今日才悟风中转。另一边，堂主火水因投资损手债台高筑，又亏空帮公款数千万，不得不找火腩走马上任，否则自己便大难临头。1993年埼玉县爱犬家发生4人相继失踪事件。两年后警方逮捕了经营宠物店的一对男女。被逮捕的是关根元（卒）和风间博子。通过“把身体变得透明”将被害者的尸体肢解并遗弃以达到消灭证据的目的。由于作案手法残忍，该案件成为当时震惊全日本的“琦玉爱犬家连续杀人事件”。在本案中被逮捕的两人于2009年被判处死刑，然而由于当事人证言的矛盾，该案的全貌仍未为世人所知。那些镇军，他杀死了两个，还有四个是泥鳅杀死的。新中国解放前夕，白纸坊警署小警察徐天在追查未婚妻贾小朵被害案件过程中，意外参与到中国共产党和平解放北平的事业当中。面对动荡的时局，金海、铁林和徐天三兄弟所处不同的位置，在亲情、爱情，国家利益、个人信仰发生激烈冲突的时候，情同手足的三兄弟做出了不同的选择，走上了截然不同的人生道路。徐天和共产党员田丹在绝境中相识，使命感让两个人走到了一起，徐天选择在动乱中协助中国共产党取得了北平的和平解放，迎来了新世界。When "cracking" the sand pile paradox, we often have to set a fixed boundary. If we say "10,000 grains of sand are a pile of sand", then less than 10,000 grains of sand cannot be called a pile of sand. Then it is somewhat unreasonable to distinguish 9999 grains of sand from 10001 grains of sand. This has to set a variable boundary, but what is this boundary? We don't know now. Then the value of "10,000 grains of sand are a pile of sand" originally set as knowledge will be reduced.