为了便于明了河流的一般特性,在一些普查和勘查报告中除附有河道縱剖面圖、河谷地質及地貌等圖外,还绘制了河谷特性綜合示意圖。此圖能綜合地、概略地表示出河道的坡降、河谷地質及地形等情况,并易使人对河谷特性获得一全面概念。绘制此圖不需 In order to make it easy to understand the general characteristics of the river, in addition to some census and survey reports attached to the river profile, valley geology and geomorphology map, but also drawn a comprehensive map of the valley features. This map can comprehensively and roughly show the slope of the river course, the geology of the river valley and the topography of the river, and gives easy access to a comprehensive concept of river valley characteristics. No need to draw this figure