stream cross section的意思|示意

The model is applied to forecast the variation process of main stream direction, cross section and channel slope of a conceptualized curved river under the erosion of clear water.

应用建立的水沙数学模型以及河岸冲刷模型，模拟了一概化弯道在持续清水冲刷下的主流线位置、断面形态、主槽比降的变化过程，模拟结果符合弯道演变规律。

The flood combination of Dongting Lake′s outflow and Yangtze River main stream′s inflow affect heavily the water level of Chenglingji cross-section.

洞庭湖出流与长江干流来水流量的不同遭遇对城陵矶断面水位的影响非常显著。

This analysis assumes the effluent is completely mixed once it enters the stream and the concentration of residuals is uniform throughout any stream cross section.

这个分析以为一旦它进入这条溪，残余的集中在整个任何溪横断面相同，废水被完全混合。