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Groups objects into a tree structure to represent a "part-to-whole" hierarchy. Composite allows users to use both individual and composite objects consistently.Separate the internal representation of the product from the construction process of the product. Q: How can they be separated? Answer: Don't put the construction process of the product in the product class, but the builder class is responsible for the construction process, and the internal representation of the product is put in the product class, so it is not separated.Benin... end statement blocks, both of which allow us to execute multiple SQL.故事描述Joel（Timothy Olyphant）和Sheila（Drew Barrymore）这对夫妻都是房地产经纪人，但他们在洛杉矶圣克拉里塔郊区的生活实在不能令人满意……直到有一天，Sheila突然经历了一场巨变，导致他们的生活滑向死亡和毁灭的深渊。不用担心，这不是坏事，反而对他们来说是个改善现状的好办法。因任务需要，三名年轻的武校学生——擅长持久搏击的辛小晶、头脑机敏的程唐、爱好跑酷的白大庆，凭借各自特长，获得队长张蓝的青睐，应征进入警队。三人潜入罪犯老巢，执行秘密抓捕。打响头炮后，特警队以武校学员为核心力量，组建了快速反应小组 “猎弓”小组，并在心理专家陈橙的指导下，为新人量身定制了地狱式训练三部曲，祛除他们的“野狐禅”习气，培养警队纪律性与荣誉感。敌人数度反扑，辛小晶等队员经历了一次次血与泪的洗礼，褪去青涩走向成熟，经受住了来自外在和内心的各种考验，成为了优秀的特警队员，始终坚守在保卫人民群众生命与财产安全的第一线。“千也”，那是12只变幻莫测的神秘生物。他们是与自称是“地狱使者”的鬼的“地狱先生”一起出现在人间的魑魅魍魉。地狱先生来到这里的目的，竟然是要把人间变成地狱！为了实行【人间的地狱化计划】，他们一边隐藏着目的，一边寄居在“陆奥美”、“鸽子”、“美”三姐妹生活的鬼神家。冒号的外表神秘的生物·千美们，外表可怕稍微愚蠢的地狱先生，并且强烈的造型的三姐妹展开，笑暖的日常—。到底，人间地狱化计划会变成什么样呢！？"Supporting" is also called "lifting". 1. Holding and supporting; Carry. Song Lu You's poem "Small City" reads: "The window of the temporary rest porch is still swept away during the flood season, and the book and sword of the long journey are also supported." The second chapter of Part a of Kang Youwei's "Datong Book" reads: "It is very clear that the crying is full of ears, the water walks away, the family carries something, the face is covered with tears, and the sky is swearing." 2. Means a container that can be suspended. Tang Du Fu's poem "Stone Shrine" reads: "Bitter clouds are straight away and cannot be supported." 3. Care; Foster. "Biography of Xiao Jingxian in the Book of Southern Qi": "Jing Xian was seldom lost by his father. He was very kind and Taizu Jia. And from the official capital city, often support each other." Tang Liu Deren's poem "Express My Feelings in the Mountain and Send Ding Xueshi" reads: "I am very fortunate to be clumsy and happy, and I have no doubt about my support." Volume 13 of "Surprise at the Second Moment": "The magistrate of a county called the Liu family's son to see it and said to Zhisheng, 'Such a child is just the right support." " Shen Congwen's Wang