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小鱼儿看到苏樱，同样十分高兴，说道：我知道你一定会回来的。Although the event system is very complicated, there are rules to follow. The purpose of our practice is to find this rule. According to my understanding, I drew a picture as a summary of Android event mechanism:　　This shows the value of these models.电影《大人物》是杨乐乐投资拍摄的第一部电影，不仅邀请了吴孟达、林子聪、李伯清、廖健等众多笑星加盟，还加入了很多四川元素。该片讲述了普通人颠覆平庸生活的故事。以著名脱口秀节目《大人物》主持人德叔（吴孟达饰）为首的一班追求大目标的小人物，所上演的一出喜剧则成为了该片的主旋律。在片中，杨乐乐扮演一位影视制作人。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.If the existing method needs to be improved when it is used, there are two methods at this time: