黄河流域水土保持第一查勘队,一九五三年在陕北丘陵地区查勘中,因为仪器不敷应用,在测量丘陵或沟壑的坡度时常常等待仪器形成呆工,有时甚至不能作坡度测量。该队王宗鸿同志创造了用日记本的硬纸皮绘制成量坡度的量坡仪后,克服了这 Soil and Water Conservation First Survey Team of the Yellow River Basin. In 1953, the survey was conducted in the hilly areas of northern Shaanxi. Because of inadequate application of the instruments, it was often awaited for the formation of a fixed-scale instrument during the measurement of the slope of the hills or ravines, sometimes not for slope measurement. The team Wang Zonghong created a dimple with a hard tissue painted slope amount of slope after the instrument, to overcome this