在显示的对话框中，输入SAMPLEDB作为数据源名称，并从下拉列表中选择SAMPLEDB作为数据库别名。

In the dialogue box that displays, enter SAMPLEDB as the Data source name and choose SAMPLEDB from the drop-down list for the Database alias.

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在树中选择一个坐标系统或单击“输入”按钮定位到一个定义了你想使用的坐标系统的数据源。

Choose a coordinate system from the tree or click the Import button and browse to a data source that is defined with the coordinate system you want to use.

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在树中选择一个坐标系统或单击“输入”按钮定位到一个定义了你想使用的坐标系统的数据源。

Choose a coordinate system from the tree or click the Import button and browse to a data source that is defined with the coordinate system you want to use.

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