Part six: the method and channel of drawing into the proportional principle.
第六部分：引入比例原则的方式与途径。
2
PPT2010 added four shape tool, can cut the multi-channel graphics overlay, disappear to draw together the special shape, very simple character tagging box drawing change easily.
The results could provide the well-knit dynamic sedimentology and dynamic geomorphology gist for the drawing up of channel construction across the Bohai strait, which made the paper .