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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 Baidu1938年6月，武汉会战爆发，抗战局势危急。军统特工谢庚杨自作主张，将长期秘密关押的中共特工孟庆凡“盗出”监狱并射杀江边，抛尸江中，顺水飘到日军阵地。孟庆凡身上携带着一份谢庚杨伪造的假情报，使日本人相信苏联人将会出兵中国东北，进攻武汉的步伐被迫放缓。由于准备仓促，谢庚杨的计划出错，日本特工佐藤坚信这是中国人的阴谋。他亲自到武汉验证情报真伪。死里逃生的孟庆凡从日本人的拷问中，得知了这份计划会对中共造成伤害。他冒死逃离日军营地，返回武汉进行阻止。“谎言计划”被提交到国共高层面前。为了武汉抗战，国共决定携手完成“谎言计划”。为了弥补计划瑕疵，八路军女播音员马小茴被安排与孟庆凡假扮夫妻，两人接受日本人的考验。国共双方情报精英，与日本最精锐的特工人员，围绕着这份谎言计划，在武汉展开了一场搏斗。该剧以80年代的TVB艺员训练班为背景，讲述一班各怀梦想的年轻人，透过在电视台的各种不同经历，以汗水、泪水、欢笑及温情交织出的成长故事。This attack will affect all DNNs, including those based on enhanced learning (https://arxiv.org/abs/1701.04143), as emphasized in the above video. To learn more about this type of attack, read Ian Goodfellow's introductory article on this topic, or start the experiment with Clever Hans (https://github.com/tensorflow/cleverhans)."Two Sessions Red" Becomes Essential讲述能看到别人和自己寿命时钟的不幸女人，遇到了一个轻而易举就能暂停她的时间的男人之后，只能实现爱情魔法的瞬间的奇幻故事。属下刚到军中才两个月，就已经升为队长，何来欺压一说？以属下年轻识浅的资历，并不敢奢望更高的职位。