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Skills of Answering Questions Related to Traffic RegulationsLINUX: Redhat uses the variable tcp_synack_retries to define the number of retransmissions, which defaults to 5, with a total timeout of 3 minutes.I nodded at this passage, Understand that what Zhang Xiaobo said is indeed reasonable, It is not a lie, Here I think it is necessary to give you one thing about popular science. So we have to say something digressive: The result of a real bullet hitting a petrol tank is not the same as that shown in most movies. One shot can explode the petrol tank, But this is not the case, Although a pure metal projectile will rub against the air at a speed of hundreds of meters per second to generate equivalent heat, And will produce sparks after hitting the metal oil drum, But none of this is enough to ignite petrol, Especially for gasoline with a large total amount, to ignite gasoline, please remember one thing-open flame must be used. In addition, gasoline is a flammable item, but it is not an explosive item in the true sense. Only after reaching a certain total amount can explosion be caused. If the total amount is insufficient, it can only cause combustion without explosion.同时对刘邦的戒备也会所有松懈，仔细说起来似乎是因祸得福了。The city of S is a place in literary works, and it can be any city.　　故事讲述李佳芯饰演的人工智能人阿宝意外被陆永执回家中当工人，相处日久，李佳芯对主人产生感情，及后更与饰演陆永女强人上司的冯盈盈两女争一男。