This thesis points out the incorrect methods for seeking the spacing between the contour lines of irregular sloping field, gives out and proves the right ways.
指出了求作不规则坡地等高线间距时不正确的方法，同时提出了正确的方法并进行了分析论证。
This thesis points out the incorrect methods for seeking the spacing between the contour lines of irregular sloping field, gives out and proves the right ways.
指出了求作不规则坡地等高线间距时不正确的方法，同时提出了正确的方法并进行了分析论证。
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