The domain offers retrieval and maintenance services for the business object, encapsulating business logic, location, and the format associated with its objects and services.

域为业务对象提供服务检索和维护、封装业务逻辑、定位以及与对象和服务相关联的格式。

youdao

Deleting an object from the database works along the same lines as retrieval and update: By default, when an object is deleted, none of the objects it references are deleted with it.

从数据库中删除对象与检索和更新对象类似：默认情况下，删除一个对象时，不删除它引用的对象。

youdao

The API is very simple, and it allows for the storage and retrieval of arbitrarily complex objects using a key-value paradigm.

该 API 非常简单，它允许使用键-值范式存储和检索任意复杂的对象。

youdao

But its report emphasised that regular radiation monitoring and retrieval of radioactive objects discovered at Dalgety Bay should continue.

BBC: Dalgety Bay radiation: Particles pose 'low risk' to public