每个实体类型都有两个方法。

There are two methods for each type of entity.

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实体类型通常是大写的。

An entity type is usually in uppercase.

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然后，客户端只需要包括该实体类型项目。

Then, your client will only need to include the entity types project.

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构成给定实体类型的实体键的属性不可更改。

The properties that make up an entity key for a given entity type cannot change.

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它们提供了一种在两个实体类型之间导航关联的方法。

They provide a way to navigate an association between two entity types.

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它们提供了一种在两个实体类型之间导航关联的方法。

They provide a way to navigate an association between two entity types.

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