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Open flight simulator optionCtrl + Alt + A + Option + A Opens the flight simulator dialog box.In the above code, we use three functions, order500, order200, orderNormal to handle its own business logic, If the current own function cannot handle things, We pass it to the following function to handle it. By analogy, Until there is a function that can handle him, Otherwise, the responsibility chain mode will leave the chain directly, telling that it cannot be processed and throwing an error prompt. Although the above code can be used as the responsibility chain mode, we can see from the above code that the Order500 function depends on functions such as Order200, so there must be this function, which also violates the open-closed principle in object-oriented. Let's continue to understand writing flexible and detachable responsibility chain nodes.之前，有递拜帖的，或是邀请赴宴的，一律被刘总管挡了，言道王爷才回家。Deep Sea BansheeLocke X本片通过三代知识分子的经历，以史诗的手法，描述了20世纪中国当代科学和教育家波澜壮阔的奋斗史，塑造了以钱学森、华罗庚、邓稼先、钱三强、朱自清、周培源、吴有训等为创作原型的卓然不凡的艺术群象，生动再现了从抗战爆发的清华北大到烽火硝烟的西南联大，再到新中国诞生之初，一代学子在烽火硝烟中发奋学习长大成人，赴美留学，并取得令世界瞩目的科学成就，最终冲破重重阻挠，毅然返回祖国贡献青春和才华，以满腔热血和拳拳的赤子之心奠基共和国科教大厦的史实。震撼人心的科学生涯，一波三折的人物命运，可歌可泣的爱情故事，色彩绚丽的时代背景，构成了本剧悲壮感人的爱国主义之魂。一场阵容豪华的政治秀。