The auto mapping feature USES a set of conventions to automatically map all entities, not requesting a mapping class per entity.
自动映射特性使用一套规则来自动映射所有实体，并非每个实体都需要映射类。
Figure 8 presents the solution for the third mapping strategy — mapping a single class to a single data entity.
图8显示了第三种映射策略的解决方案——将单个类映射成单个数据实体。
Figure 6 presents the updated persistence model for mapping the entire class hierarchy into one data entity.
图6显示了一个更新过的持久性模型，用于将整个类层次结构映射成一个数据实体。
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