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:
幕后花絮
Including the design and implementation of clinical and basic research, and the transformation of basic research results into clinical applications. At present MDT has become a set of macro medical diagnosis, treatment and management modes.
mai为了生计假扮人妖，成为了炙手可热的新星，并认识了ter这个导演，成功地让ter为自己动了心动了情，于是一场爱与性别的博弈在男主的心里开启……
Typical plot: The second child calls to ask his wife what to do or where to wait for him, either settling accounts or counting money at home.
There is no mode, write it yourself = work overtime until midnight.
“警察什么的，我要辞职了！”
2.5 Panel
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It converts datetime data into a string in the format specified by format. Format is a string containing specific characters representing various parts of a date or time. Table 2 is a common format character used for date and time display.
忽然，他猛然睁大眼睛看着黎章，哆嗦道：你……你不是……黎章的目光顺着他的视线落在自己拿木块的手上，心里一沉，厉声喝道：闭嘴。
两个好基友都想从和女友的失恋走出来，决定一次长途旅行。最终他俩是不是会在一起呢？
为了使家族资产合法化，麦克通过在梵蒂冈教廷的关系网，准备投资“屹立”集团，却遭到敌人的暗中阻挠，教皇的去世也让事情更加扑朔迷离。
特七眼睛一亮，他娘的杀了这么多倭，还没见过这么主动的。
根本看不出哪里非常爽快了。
The mother narrowly survived, but the innocent baby boy struggled for half a year and died six months later, ending his short life. According to the doctor's diagnosis, the injured baby boy suffered from brain hypoxia, and even if he was alive, he would only be a vegetable.
Chapter 30
王陆来不及多想，因为这时白衣女子抬起头来。
影子无时无刻与我们相随。因为有人才会有影子可如果有一天影子背叛了人。不再受人控制。人又能怎么样？一块是不起眼的木炭与影子又有任何关系吗？）因影子的事件而认识。他们会换出火花吗？卫斯理的表妹一红红（林湘萍饰演）心生酷意想找影子出来破坏他们。她会成功吗？ 另一方面。红红通过网际网络认识了温宝裕（周初明饰演）至裕莫名其妙卷入一宗连环凶杀害。凶手的杀人手法与女小说家贝梦丹（陈丽贞饰演）所写的小说相似，难道凶手是梦丹？还是宝裕？天书、占卜。算命。可以预知命运。这是江湖术上骗人的技俩。还是真的可以知道过去与未来？人的命运不是掌握在自己的手上吗？又难道一切都是注定的？
蓝色火蛇袭来，耿绍南神情不动，只是抽出一支明显不一样的长箭，射向天空。
