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从小到大都个性强烈的齐若谷（马伊琍 饰）怀揣着心中的远大理想成为了一名专门报道社会新闻的职业记者。一次外出采访时，身背重要摄影器材的若谷成为了歹徒觊觎的对象，幸运的是，恰好路过此地的男子陈剑平（贾一平 饰）无私地伸出了援手，若谷这才逃过了一劫，她和剑平之间的缘分也就此开始。Whether the normally closed fire door is in normal working state and locked; Whether the fire shutter is in normal working state and whether articles are piled up under the fire shutter affect its use.二人定睛一看，那个穿棉袍的是郑青木，另外两人则是黄瓜和黄豆。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:与元帅相比，岂非萤烛之光与与皓月争辉？韩信知道蒯先生的气还没完全消，一点也不介意，笑道：先生说哪里的话，韩信现在日子也不好过，一直难以成就大事，可惜苦于无人相助，当真是恼火啊。Form Validation