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In the process of DNS resolution, the client initiates a query request, and the DNS server may need to make additional queries to complete the resolution process and give a response, which will consume certain computing and network resources. If an attacker uses a large number of controlled hosts to continuously send resolution requests for different domain names, the cache of the DNS server will be continuously refreshed, and the failure of a large number of resolution requests to hit the cache will cause the DNS server to consume additional resources for iterative queries, which will greatly increase the resource consumption of the DNS server.Sakamoto said that many of their efforts are to solve these embarrassments.什么叫等边三角形啊？就是你觉得差不多的地方……杨长帆尴尬解释一句，钻下去一个印子后，又操起锤子轻砸两下，随后又钻，片刻钻穿，钻孔的力道方法我也说不清楚，多做应该是有巧儿劲儿的。So this ford's second attack is　　清优父亲过世后被大伯夏英泰从云南接回上海与大伯一家四口挤在狭小的老房子里。大伯母和堂妹珊珊对家里突然多出的不速之客清优很看不顺眼，而堂哥继栋对清段百般照顾却冷落了自己的妹妹，因此家中时有摩擦。两位情投意合的青年阿超和佳佳由热恋到谈婚论嫁，为此阿超的父亲老吴特地从香港赶到北京，与未来的亲家、儿媳相会。不料，佳佳的母亲雪莹与老吴在儿女婚后留京与去港的问题上发生了争执，双方不欢而散。为了儿子的婚事，老吴被迫二次登门进行情感磨合……这一切又都被深爱着雪莹的邻居老黄看在眼里，他误以为老吴频频出入雪莹家，是对雪莹有意、是想“横刀夺爱”，于是“醋劲儿”大发，先是与佳佳合计为老吴介绍对象，接着又乔装成雪莹的东北老乡，编排有关雪莹的谣言，几乎将老吴吓跑。而雪莹为留住女儿，也自做主张欲给佳佳找寻新男友……虽然冲突不断，但结局则是皆大欢喜：佳佳与阿超由误解到谅解更加情深意长，老吴、老黄和雪莹也彼此袒露胸怀尽释前嫌。新春佳节到来之际，在佳佳和阿超、雪莹与老黄一同举行的婚礼上，老吴也带着自己中意的女友从香港赶到。三对有情人在除夕的喜宴上举杯畅饮，共祝新春。　　连任后的二虎让耕田作了村委副主任，当上副主任的耕田侦破了村里一系列奇离古怪的“案件”，并为村民们解决了河水的污染问题，又在村里办了温泉澡堂，又开了迎奥运村运动会。青山当上董事长后一心想把合作社搞大，他与食健康公司谈判，由于三鬼从中作梗差点栽了跟头，耕田出面继续了与食健康公司的合作。