The element tells Castor that the 's object mapping contains an SQL column called prod_id and that this column should be used to identify the one-to-many relationship.
元素告诉 Castor： 的对象映射含有一个称为 prod_id的 SQL 列，该列将被用于标识一对多关系。
It also states that this' s object mapping contains an SQL column called prod_id, and that this column should be used along with category_id to identify the many-to-many relationship.
它还声明该的对象映射含有一个称为prod _ id的sql列，该列应该同category _ id一起用来标识多对多关系。
The expression of object and its relationship is the basis of consequence and solving, and perceptual characteristicion can come down to deterministic mapping.
对象及其关系的表示是推理、求解的基础，而对象的感觉特征的抽取可归结为一个定性映射。
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