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大家欢呼吧。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).Lins Concubine 02Olivia Williams及Harry Lloyd加盟Starz科幻剧《相对宇宙 Counterpart》，与JK Simmons共演。The park makes full use of flowers and plants, trees, water bodies, architectural sketches, terrain treatment and other garden construction elements, and adopts the gardening method of combining natural style and planning style, overlapping mountains and managing water, integrating the characteristics of the times and traditional connotation, and creating a garden landscape with elegant and unique style. In particular, plant landscaping is used. Erythrina, a symbol of Quanzhou, a famous historical and cultural city, is used as the backbone tree species in the park, supplemented by banyan, mango, basin frame wood and other tree species. Arbor, shrub, flowers and plants are integrated into a whole to achieve the artistic effect of plant landscaping through rich spatial levels and colors. In spring, the Erythrina flower, which is shimmering like a cloud, blooms with a warm and fiery smile. It is very beautiful and makes people forget to return.The fundamental way to put an end to waste is to make the quantity of production consistent with the quantity of sales. If the production is arranged from the front process to the back process according to the traditional processing sequence, the higher the production efficiency of the process, if its rhythm is not suitable for the back process, the more waste of manufacturing surplus will be generated. Therefore, JIT production reverses the traditional way of transferring parts from front to back, and puts forward the order requirements from the back process to the front process according to the order method. The front process only provides the necessary products in the necessary quantity when necessary. Users can supply as much as they need, thus realizing "zero inventory" and not occupying working capital. Commodities that users do not need will not be produced, which can avoid overstock, obsolescence and deterioration of commodities, and can also avoid the costs of loading and unloading, handling and inventory.　　上个世纪七十年代，徐青，曲林，黄娜娜和孟向东是一个知青点的知青，曲林和徐青坠入爱河。但黄娜娜跟曲林从小一起长大，因此无法接受曲林爱上徐青的事实。徐青也拼命躲避曲林，但年轻时候热烈的爱情终于冲破了一切顾虑，徐青和曲林深深地相爱了，在一次被封在山上的暴风雪中，他们以为必死，因此偷尝了禁果。被救回之后，两人开始准备结婚。