既然这样，你将需要自己提供必需的坐标系统信息。
In this case, you'll have to supply the necessary coordinate system information yourself.
当前数据框坐标系统的详细信息显示在对话框中。
The details of the current data frame coordinate system display on the dialog box.
在数据源框中滚动信息，其坐标系统详细信息在列表底部。
Scroll the information in the Data Source box. The coordinate system details are at the bottom of the list.
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