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3. I am Han nationality, and the goddess is also Han nationality, with different clans.The Liskov Substitution Principle (LSP) is one of the basic principles of object-oriented design. The Richter substitution principle says that wherever a base class can appear, subclasses can certainly appear. LSP is the cornerstone of inheritance reuse. Only when derivative classes can replace base classes and the functions of software units are not affected can base classes be truly reused, and derivative classes can also add new behaviors to base classes. The Richter substitution principle is a supplement to the "open-close" principle. The key step to realize the "open-close" principle is abstraction. The inheritance relationship between the base class and the subclass is the concrete realization of abstraction, so the Richter substitution principle is the specification of the concrete steps to realize abstraction. --From Baidu•病毒（廣末涼子）一盏传说中的神灯，一个少女小仙（玉儿）跨越千年的苦恋，围绕神灯的争夺而引发的血战，随着时间的变迁传说越传越神，连国外的阴谋家都想得到此神灯。以萧龙为首的江湖义士与黑恶势力安东尼一伙的斗争，是正与邪的斗争，亦代表了神灯的神性与魔性。集万千宠爱于一身的北京女孩何琳，与北方农村考进北大的王传志走到了一起。直到——婆婆来了！她和她，争抢一个男人。她和她，争夺一个家庭。竹门对木门，婆媳生来是冤家。于是，有人离婚了，有人跳楼了。风凉话依然不绝于耳：想得开的想去，想不开的死去，女人就要为难女人。为什么总到最后一刻才明白：结婚不是两个人的事。总算可以住得舒服一点了。一九三五年前后，日本帝国主义加强了对我国的侵略。在民族危机空前严重的关头，蒋介石仍旧坚持“攘外必先安内”政策，张学良将军被迫“剿共”，因在陕北战场上屡遭失败，受到蒋介石的责难，于是急于寻求出路。张学良通过被我军放回的原东北军团长高福源的关系，与我党周恩来同志在延安举行了会谈。张将军决定以民族存亡的大局来说服蒋介石停止内战，一致抗日。与此同时，杨虎城收到了毛主席派人给他送来的亲笔信。一九三六年十二月初，蒋介石亲临西安，下榻于临潼华清池，张学良多次对蒋“苦谏”，均痛遭拒绝。张、杨被迫于一九三六年十二月十二日对蒋实行了“兵谏”，爆发了震惊中外的“西安事变”。“西安事变”和平解决，抗日战争也进入了崭新阶段。