首选源模式假定一个信息源有一个或者多个查找操作，这些查找操作返回零个或多个实体记录的实例，或者可能是实体记录的一个子集。

The Preferred source Pattern assumes that an information source has one or more find operations that return zero or more instances of the entity record, or perhaps a subset of the entity record.

youdao

首选源模式假定一个信息源有一个或者多个查找操作，这些查找操作返回零个或多个实体记录的实例，或者可能是实体记录的一个子集。

The Preferred source Pattern assumes that an information source has one or more find operations that return zero or more instances of the entity record, or perhaps a subset of the entity record.

youdao