本文着重讨论底图数字化、对话窗、多边形拓扑等关键问题。
The paper is focused the discussion on the problems of background map digitization, dialog box, polygon topology etc.
按下“接收”后即开始进行档案传送,此时LGC右侧对话窗下方会显示传送进度。
Press "Accept" and the file will start to deliver. It will show the progress on the right side of the LGS window.
这可能是因为当你播放时候的速度调得不对,你可以在选件对话窗中改变播放的速度。
This may happen when you the play back rates is incorrect. You may change the play back rates in Options Dialog.
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