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讲述了陈真在日留学期间，“师夷长技以制夷”，学习工业技术，面对日本军部手下千代忍的屡次挑衅，和形意拳师薛自立一起捍卫国人尊严，勇敢面对决斗。一场中国功夫和日本武士的较量正式上演，展现了中国功夫“深藏不露”的武术内涵。赝品迷局环环相扣，两幅《清明上河图》真赝难辨，亦正亦邪的药不然又是背负着怎样的使命，五脉前世恩怨纠葛最终如何解答，而幕后BOSS \"老朝奉\"究竟是谁，这一切谜中谜的答案都隐藏在早已布好的局中局里。　　并宣布阿尔菲·艾伦(《权力的游戏》《铁血战士》)和艾什·亨特(英版《汉密尔顿》、《秘密间谍》)新加盟，饰一对性格截然不同的兄弟：艾伦饰演Isaac Pincher，一个雄心勃勃、难以捉摸的七年战争老兵，他回到伦敦，与人合伙开了一家名Saracen’s Head的酒馆，这是他们从事性工作的幌子。亨特饰演Hal，是Isaac更安静、更谨慎的兄弟，也是这家公司的联合老板，他将在本季与激情四射的性工作者Emily Lacey谈恋爱。Lacey和皮条客有一个共同的目标——用他们的生命去实现一些事情。Please don't swallow it againHenan ProvinceHowever, if you use factory mode, you only need to modify the factory code. If other places refer to factories, you can modify only one place and other codes will not move, which is decoupling.Liskov Substitution Principle, LSP (Richter Substitution Principle) means that subclasses must replace their parent types. In other words, in the process of software development, after the subclass replaces the parent class, the behavior of the program is the same. Only when the subclass replaces the parent class and the function of the software is not affected can the parent class be truly reused, and the subclass can also add new behaviors to the parent class. In order to look at an example of violation of LSP principles, the specific code is as follows: