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State mode refers to allowing an object to change its behavior when its internal state changes. The object seems to have modified its class. Divide this sentence into two parts by commas. The first part means to encapsulate the state into a separate class and delegate the request to the current state object. When the internal state of the object changes, different behavior changes will be brought about. The second part is from the customer's point of view, the object used has completely different behaviors in different states. The object seems to be instantiated from different classes, but in fact this is the effect of using delegates.20世纪80年代后期，狼牙侦察大队狙击手何卫东为救观察手范天雷，被外号“蝎子”的敌狙击手狙杀。何卫东四岁的儿子何晨光接过了父亲血染的79式狙击步枪瞄准镜。15年后，范天雷已是狼牙特战狙击手教官，他鼓励全国青少年级别的武术冠军何晨光、颇有打枪天赋的小混混王艳兵、朴实却有超常毅力的农村少年李二牛一起参军。《秦时明月之君临天下》是国产大型3D动画《秦时明月》的第五部。继续之前的剧情，第五部中，将会讲述蒙恬出击匈奴、秦皇东巡、焚书坑儒、蜃楼东渡……等一系列历史故事。古天乐饰演的香港警察得知女儿在泰国旅行时突然失联，决定亲赴泰国寻找女儿下落，期间获得了当地警方的协助。但在追查的过程中，古天乐一行人却遭遇黑帮对抗而身陷险境，一场酝酿已久的暗黑风云正向他们袭来…Jenna Coleman将出演ITV电视台的历史剧《维多利亚Victoria》，并扮演从18岁到嫁给Albert王子时期的维多利亚。同时Rufus Sewell也加入该剧，饰演Lord Melbourne，维多利亚时期的第一任首相。Lord和维多利亚一见如故成为亲密的 挚友，但同时他俩的绯闻迭起也动摇了政府的威信。维多利亚在位时间长达63年零七个月，是在位第二长的英国君主，也是世界上在位第二长的女性君主。《维多利亚》首播90分钟，之后每集一小时共八集。Submerged in blue dye, its color transitions from orange to green.探险家山河等7人受邀参加了本次的探险活动。