对实例的这些修改会使登录表单不相关，并使菜单按钮相关，如图3所示。

Making these changes to the instance makes the login form irrelevant, and the menu button relevant, as you can see in Figure 3.

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当点击“create”按钮时，会出现图4所示的屏幕。

When you click the "create" button, figure 4 appears.

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当用户单击单选按钮时可对该值进行设置，如图5所示。

The user sets that value when he or she clicks a radio button, as you can see in Figure 5.

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