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She said, I hope, I hope.周家又送了回礼，板栗叩头毕，这仪式便算结束了，他从今日起就是周家未来姑爷，周菡便是张家未过门的媳妇了。B) Design principles. Many people have listed seven principles, such as single duty principle, opening and closing principle, Richter substitution principle, dependence inversion principle, interface isolation principle, composite reuse principle and Dimit principle. LSP, I elevated it to one of the three cornerstones of the object-oriented paradigm; Single responsibility and interface isolation are mainly used as the principle of responsibility division in object-oriented analysis/OOA, which you can not pay much attention to at this time. Relying on the inversion principle, I throw it away as garbage, because the opening and closing principle or directly "relying on abstract type principle" already contains the essence of relying on the inversion principle, while the dross of relying on the inversion principle is inherited by IoC. Of course, the pullback, I emphasize very much. Therefore, you need to master the abstract dependency principle (OCP), one-way dependency principle (including the learning of callbacks) and the minimum dependency principle (composite reuse principle, Dimit rule).(can be superimposed)在重庆的大街小巷，到处都可以看到一些民工，他们手里拿着一根竹棒，两条绳子干着搬运活，山城的人们根据他们的行头，把他们叫做棒棒。解放碑是重庆最繁华的地区，朝天门码头又是重庆最重要的货物集散地，因此从解放碑到朝天门码头地段是重庆货流量最大的地区，也成为棒棒军最活跃的地区。棒棒们靠着一根竹棒、两条绳索寻找生活，他们等候在商场门口，竞争的车站旁边，挑着超过自己体重的货物，穿过车流，爬坡上坎，为自己的生计流着汗，为家人的希望拼着命，同时也为重庆远播着山城棒棒军的威名。理系が恋に落ちたので証明してみた。」のドラマ化と映画化が決定した。Analysis, on the other hand, is to conduct a more detailed study of the contents of a class and find their subtle and accurate differences so as to have a deeper understanding of things. It is a comprehensive ability to see that some of them have more connections and more common points from the numerous and complicated large number of things, so that they can be summed up together to make the large number of things that were originally scattered form systems and categories.