Classic application architecture best practices recommend that each of these logic types be contained in a separate layer, as shown in Figure 1.
典型的应用程序架构最佳实践推荐这些逻辑类型分别包含在不同的层中，如图1所示。
In Miyun, a peaceful and beautiful suburban district of Beijing, there is a grand classic architecture like the Val DE Loire castles, which is the only coordinate on that broad land.
在远离喧闹的北京密云，一座宛如卢瓦尔河谷城堡的经典建筑傲然挺立，气势恢宏，成为这片苍茫天地间的唯一坐标。
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