Keep in mind that it is possible for this factory to register and create more than one type of aggregation, but you do this in the body of the code.

请记住，此工厂可以注册和创建多个聚合类型，但这需要在代码体中操作。

youdao

Keep in mind that it is possible for this factory to register and create more than one type of aggregation, but you do this in the body of the code.

请记住，此工厂可以注册和创建多个聚合类型，但这需要在代码体中操作。

youdao