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1. WeChat Transmits Pictures in order to save traffic and transmission efficiency, the default is to compress and retransmit the pictures. If you want to send a clear original picture, you can select the picture in the mobile phone to be sent in WeChat and click Preview.I hope Sega will re-carve MD...赵高告辞退了出去，走出胡亥的寝宫抹一把额上的汗水。Console.log ("the leader has come for an interview");卧薪尝胆，似乎不必要这么极端，却必须学习勾践的坚忍不拔。So far, a simple file upload program has been written. Of course, this is still a counterexample. The disadvantage here is the same as the first code in the light example. The program is full of if and else conditional branches. The state and behavior are coupled in a huge method. It is difficult to modify and extend this state machine. This problem is exacerbated by the complexity of the links between file statesDependence Inversion Principle (DIP) means that abstraction should not depend on details, and details should depend on abstraction, which is the proposed "interface-oriented programming, not implementation-oriented programming". This can reduce the coupling between customers and specific implementations.