In order to develop the step-by-step example application, consider the following prerequisites.
为了开发这个循序渐进的示例应用程序，应考虑下列先决条件。
To run the sample application, you need to perform these steps to satisy the prerequisites
要运行样例应用程序，需要执行下面的步骤来满足前提条件
To run the sample application, you need to perform these steps to satisy the prerequisites
要运行样例应用程序，需要执行下面的步骤来满足前提条件
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