若分枝管的截面积大小不同，则细支管与母管中心延长线间的夹角较大；
If the cross section area of the two branching ducts are different, the Included angle on the smaller branch duct against the extended center line is usually bigger.
由于土管内部粗糙程度和分枝合流情况不同，土壤前期降雨量、本次降雨强度影响也造成管流的水文过程产生差别。
Because of the differences of the roughness, the interflow, the soil moisture and the rainfall intensity, the pipe flow process shows different hydraulic graph.
肝胰腺由两侧对称的分枝上皮小管组成。
The shrimp hepatopancreas consists of a lot of epithelial tubules which are symmetrical.
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