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。
To answer what you are probably asking: yes, you really do need three different factories before you can start creating the actual elements.
维护文档：如果在开始本步骤之前还没有开始创建文档，现在应该开始了。
Maintain documentation: If you haven't begun creating documentation prior to starting this step, it's time to start.
如果在开始本步骤之前还没有开始创建文档，现在应该开始了。
If you haven't begun creating documentation prior to starting this step, it's time to start.
在开始创建表单之前，需要准备好如下软件。
Before you jump in and start creating the form, you'll need some software.
至少在您从零开始创建一个SOAP消息之前已经有这样一行代码。
It is a good thing that at least you have something before creating a SOAP message from scratch.
在开始创建确认点之前，程序需要在需要的状态之中。
Before beginning to create a verification point, the application needs to be in the state that is required.
首先，我们开始创建简单的个体(之前的教程中介绍了)和让它们利用操作算子互相作用。
First, we will start by creating simple individuals (as seen in the creating Types tutorial) and make them interact with each other using different operators.
首先，我们开始创建简单的个体(之前的教程中介绍了)和让它们利用操作算子互相作用。
First, we will start by creating simple individuals (as seen in the creating Types tutorial) and make them interact with each other using different operators.
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