Most of the weird happenings on the Island can be traced back to actual elements of physics.
大部分岛上发生的诡异的现象都能追溯到物理的真实要素。
To answer what you are probably asking: yes, you really do need three different factories before you can start creating the actual elements.
对您可能提出的疑问做一个回答：确实如此，在开始创建实际的元素之前，您的确需要三个不同的工厂。
This hierarchy includes four general types of classes: interfaces for the defined types, interfaces for the actual elements, and implementations for both sets of interfaces.
该层次结构包括四种常规类型的类：用于已定义类型的接口、用于实际元素的接口和这两组接口的实现。
This hierarchy includes four general types of classes: interfaces for the defined types, interfaces for the actual elements, and implementations for both sets of interfaces.
该层次结构包括四种常规类型的类：用于已定义类型的接口、用于实际元素的接口和这两组接口的实现。
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