作业帮英语描述如何画等高线地形图
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英语描述如何画等高线地形图
英语描述如何画等高线地形图
英语描述如何画等高线地形图
( 1) the wet clay or plasticine on a backing plate piled mountain.( 2) in the hands of dip some water touched swab hill surface,smooth.( Note:the water can not be too much,too wet to avoid surface under the influence of one step operation.Clay materials to do not add water)( 3) use a toothpick in the surface at different height mark and mark the elevation.( Note:the ruler to be vertically placed.Each mark height interval should be the same)( 4) using a thin wire or steel wire carefully mark will be along the mountain horizontal incision.( 5) be cut under the mountain block numbers are placed separately,and move into the air to dry.( Note:should not be placed in the sun,in order to speed drying,can use electric fan blowing.Clay materials without dry )( 6) in the dry mountain block surface with gouache painted in different colors.( 7) the mountain block according to the numbers to make the shape.2 drawing the contour map of mountain:Respectively,will take place in the White Mountains,a mountain block along the edge line drawing,made corresponding elevation.