单项选择题
在map窗口显示比例尺的步骤是()
A.鼠标左键-previous view
B.鼠标右键-scale bar
C.鼠标左键-scale bar
D.鼠标右键-previous view
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单项选择题
A.鼠标左键-previous view
B.鼠标右键-scale bar
C.鼠标左键-scale bar
D.鼠标右键-previous view
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