Much of the functionality contained in the DAO and RDO models was consolidated into single objects, making for a much simpler object model.

DAO和RDO所包含的许多功能被整理到单个对象中，以助于形成一个更简单的对象模型。

youdao

Much of the functionality contained in the DAO and RDO models was consolidated into single objects, making for a much simpler object model.

DAO和RDO所包含的许多功能被整理到单个对象中，以助于形成一个更简单的对象模型。

youdao