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Singleton mode: It solves the problem of the number of instantiated objects, such as factories and object pools in abstract factories. Except Singleton, other creative modes solve the coupling relationship brought by new.　　外表平凡的张氏夫妇原来乃昔日戚镇魔界的招魂、夺魄，后改邪归正，欲修成正果，此事被三魔查悉，诱其破戒，奸计得逞后，张氏夫妇回复昔日本色，四处为害民间，钟馗两面受敌屡遇险境；毕竟邪不能胜正，钟终能消灭三魔及二妖，完成天降之大任，成为名垂青史的斩鬼天神。The attack uses the method of sending a large number of domain name resolution requests to the attacked server, Usually the domain name requested to be resolved is randomly generated or does not exist on the network. When the attacked DNS server receives the domain name resolution request, it will first look for whether there is a corresponding cache on the server. If it cannot be found and the domain name cannot be directly resolved by the server, the DNS server will recursively query the domain name information from its upper DNS server. The process of domain name resolution brings a great load to the server. If the number of domain name resolution requests exceeds a certain number per second, the DNS server will time out to resolve domain names.The chairman of MDT meeting makes the final discussion decision, ensures the implementation of the final diagnosis and treatment plan, and clearly defines the necessity of organizing the discussion again;(3) Position 149该剧讲述的是祖父是警视总监，IQ180的女子高中生刑警钱形命，以手机为武器，和同为刑警的松山进一起解决疑难案件的刑侦故事.....以下四个女人，疏远和失去联系，在他们的40多岁团聚的机会，重新夺回自己的名声和招摇，他们作为讨厌的婊子-他们的90年代组，使他们成为嘻哈界的传奇。