这个应用程序中的三个按钮访问一个中间层REST服务，我们将在第3部分中开发这个服务。
Three buttons on this application are designed to access a mid-tier REST service, which you will develop in Part 3.
选择这三个应用程序左边的复选框，然后单击Start按钮。
Select the checkbox to the left of each of the three applications and click the Start button.
现在，您可以选择在图表上想要应用的三个分析，并点击顶部工具栏上的 Apply 按钮，如图 16 所示。
Now, check the three analytics that you want to apply on the diagram, and click the Apply icon in the top toolbar, as shown in Figure 16.
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