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　　在土豪老板和疑似真爱的广清中，她究竟会选择谁？黎章和胡钧同声道：不可。在孩子们的眼里， 总是有蓝蓝的天空；在孩子们的耳中，总是有美妙的音乐，在孩子们的脑海里，总是有各种各样的奇思妙想。在青青草原上，快乐的小羊们还有出淤泥而不染的小灰灰正享受着快乐的童年生活。在他们的学习生活中，总因他们的各种奇思妙想而带来种种趣事。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).该剧讲述了燕赵镇水泉村和泉头村村民，以现代有机农业意识的新思维替代依赖资源破坏环境的落后观念，最终过上幸福生活的动人故事。